121102101111120 has 160 divisors (see below), whose sum is σ = 386707018833408. Its totient is φ = 31327847276544.

The previous prime is 121102101111097. The next prime is 121102101111151. The reversal of 121102101111120 is 21111101201121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 121102101111120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17241304 + ... + 23226423.

Almost surely, 2^{121102101111120} is an apocalyptic number.

121102101111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121102101111120 is an abundant number, since it is smaller than the sum of its proper divisors (265604917722288).

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

121102101111120 is a wasteful number, since it uses less digits than its factorization.

121102101111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40468117 (or 40468111 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 121102101111120 its reverse (21111101201121), we get a palindrome (142213202312241).

Subtracting from 121102101111120 its reverse (21111101201121), we obtain a palindrome (99990999909999).

The spelling of 121102101111120 in words is "one hundred twenty-one trillion, one hundred two billion, one hundred one million, one hundred eleven thousand, one hundred twenty".