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2112202111422 = 231387223310463
BaseRepresentation
bin11110101111001001000…
…011100111100110111110
321110220221222220200022110
4132233021003213212332
5234101242220031142
64254155433354450
7305413223500314
oct36571103474676
97426858820273
102112202111422
11744864032897
122a1438268a26
13124245051990
14743343000b4
1539e235ac99c
hex1ebc90e79be

2112202111422 has 32 divisors (see below), whose sum is σ = 4549425205248. Its totient is φ = 649898797536.

The previous prime is 2112202111421. The next prime is 2112202111451. The reversal of 2112202111422 is 2241112022112.

It is a super-2 number, since 2×21122021114222 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112202111421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6648163 + ... + 6958625.

It is an arithmetic number, because the mean of its divisors is an integer number (142169537664).

Almost surely, 22112202111422 is an apocalyptic number.

2112202111422 is an abundant number, since it is smaller than the sum of its proper divisors (2437223093826).

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

2112202111422 is a wasteful number, since it uses less digits than its factorization.

2112202111422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397704.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 2112202111422 its reverse (2241112022112), we get a palindrome (4353314133534).

The spelling of 2112202111422 in words is "two trillion, one hundred twelve billion, two hundred two million, one hundred eleven thousand, four hundred twenty-two".

Divisors: 1 2 3 6 13 26 39 78 87223 174446 261669 310463 523338 620926 931389 1133899 1862778 2267798 3401697 4036019 6803394 8072038 12108057 24216114 27079514249 54159028498 81238542747 162477085494 352033685237 704067370474 1056101055711 2112202111422