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2110121112020 = 2251572512677343
BaseRepresentation
bin11110101101001101000…
…001001111000111010100
321110201120222010221210112
4132231031001033013110
5234033012001041040
64253213134342152
7305310524340545
oct36551501170724
97421528127715
102110121112020
117439963a2179
122a0b5735a958
13123ca2b8739c
14741b7b9c4cc
1539d50a4a365
hex1eb4d04f1d4

2110121112020 has 48 divisors (see below), whose sum is σ = 4477247405568. Its totient is φ = 835330704000.

The previous prime is 2110121112007. The next prime is 2110121112041. The reversal of 2110121112020 is 202111210112.

It is a super-2 number, since 2×21101211120202 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2110121111986 and 2110121112004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550532 + ... + 2126811.

It is an arithmetic number, because the mean of its divisors is an integer number (93275987616).

Almost surely, 22110121112020 is an apocalyptic number.

2110121112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2110121112020 is an abundant number, since it is smaller than the sum of its proper divisors (2367126293548).

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

2110121112020 is a wasteful number, since it uses less digits than its factorization.

2110121112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677760 (or 2677758 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2110121112020 its reverse (202111210112), we get a palindrome (2312232322132).

The spelling of 2110121112020 in words is "two trillion, one hundred ten billion, one hundred twenty-one million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 157 251 314 502 628 785 1004 1255 1570 2510 3140 5020 39407 78814 157628 197035 394070 788140 2677343 5354686 10709372 13386715 26773430 53546860 420342851 672013093 840685702 1344026186 1681371404 2101714255 2688052372 3360065465 4203428510 6720130930 8406857020 13440261860 105506055601 211012111202 422024222404 527530278005 1055060556010 2110121112020