121000100211120 has 160 divisors (see below), whose sum is σ = 404248407820992. Its totient is φ = 29762945888256.

The previous prime is 121000100211073. The next prime is 121000100211187. The reversal of 121000100211120 is 21112001000121.

It is a super-2 number, since 2×121000100211120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 121000100211096 and 121000100211105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9839359 + ... + 18406878.

Almost surely, 2^{121000100211120} is an apocalyptic number.

121000100211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121000100211120 is an abundant number, since it is smaller than the sum of its proper divisors (283248307609872).

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

121000100211120 is a wasteful number, since it uses less digits than its factorization.

121000100211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28247639 (or 28247633 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121000100211120 its reverse (21112001000121), we get a palindrome (142112101211241).

The spelling of 121000100211120 in words is "one hundred twenty-one trillion, one hundred million, two hundred eleven thousand, one hundred twenty".