120121012110 has 32 divisors (see below), whose sum is σ = 314498650752. Its totient is φ = 29120245280.

The previous prime is 120121012093. The next prime is 120121012171. The reversal of 120121012110 is 11210121021.

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, 182001204 + ... + 182001863.

It is an arithmetic number, because the mean of its divisors is an integer number (9828082836).

Almost surely, 2^120121012110 is an apocalyptic number.

120121012110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120121012110 is an abundant number, since it is smaller than the sum of its proper divisors (194377638642).

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

120121012110 is a wasteful number, since it uses less digits than its factorization.

120121012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364003088.

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

Adding to 120121012110 its reverse (11210121021), we get a palindrome (131331133131).

The spelling of 120121012110 in words is "one hundred twenty billion, one hundred twenty-one million, twelve thousand, one hundred ten".