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2122211102112 = 253210097303061
BaseRepresentation
bin11110111000011101101…
…000111000110110100000
321111212210112121002100100
4132320131220320312200
5234232242020231422
64302532541022400
7306216240506223
oct36703550706640
97455715532310
102122211102112
1174902a928722
122a3370254a00
1312517b86948a
1474a037235ba
153a30c1447ac
hex1ee1da38da0

2122211102112 has 72 divisors (see below), whose sum is σ = 6041019855780. Its totient is φ = 706702510080.

The previous prime is 2122211102093. The next prime is 2122211102131. The reversal of 2122211102112 is 2112011122212.

It is an interprime number because it is at equal distance from previous prime (2122211102093) and next prime (2122211102131).

It can be written as a sum of positive squares in 2 ways, for example, as 2004614232336 + 117596869776 = 1415844^2 + 342924^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3360939 + ... + 3942122.

Almost surely, 22122211102112 is an apocalyptic number.

It is an amenable number.

2122211102112 is an abundant number, since it is smaller than the sum of its proper divisors (3918808753668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2122211102112 is a wasteful number, since it uses less digits than its factorization.

2122211102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7304086 (or 7304075 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2122211102112 its reverse (2112011122212), we get a palindrome (4234222224324).

The spelling of 2122211102112 in words is "two trillion, one hundred twenty-two billion, two hundred eleven million, one hundred two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 1009 2018 3027 4036 6054 8072 9081 12108 16144 18162 24216 32288 36324 48432 72648 96864 145296 290592 7303061 14606122 21909183 29212244 43818366 58424488 65727549 87636732 116848976 131455098 175273464 233697952 262910196 350546928 525820392 701093856 1051640784 2103281568 7368788549 14737577098 22106365647 29475154196 44212731294 58950308392 66319096941 88425462588 117900616784 132638193882 176850925176 235801233568 265276387764 353701850352 530552775528 707403700704 1061105551056 2122211102112