121120010102120 has 128 divisors (see below), whose sum is σ = 275798276732160. Its totient is φ = 47866970234880.

The previous prime is 121120010102059. The next prime is 121120010102131. The reversal of 121120010102120 is 21201010021121.

It is a junction number, because it is equal to n+sod(n) for n = 121120010102095 and 121120010102104.

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, 6443572562 + ... + 6443591358.

It is an arithmetic number, because the mean of its divisors is an integer number (2154674036970).

Almost surely, 2^{121120010102120} is an apocalyptic number.

121120010102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121120010102120 is an abundant number, since it is smaller than the sum of its proper divisors (154678266630040).

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

121120010102120 is a wasteful number, since it uses less digits than its factorization.

121120010102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21643 (or 21639 counting only the distinct ones).

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

Adding to 121120010102120 its reverse (21201010021121), we get a palindrome (142321020123241).

The spelling of 121120010102120 in words is "one hundred twenty-one trillion, one hundred twenty billion, ten million, one hundred two thousand, one hundred twenty".