121102220010120 has 32 divisors (see below), whose sum is σ = 363306660030720. Its totient is φ = 32293925336000.

The previous prime is 121102220010091. The next prime is 121102220010127. The reversal of 121102220010120 is 21010022201121.

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 121102220010120.

It is not an unprimeable number, because it can be changed into a prime (121102220010127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504592583256 + ... + 504592583495.

It is an arithmetic number, because the mean of its divisors is an integer number (11353333125960).

Almost surely, 2^{121102220010120} is an apocalyptic number.

121102220010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121102220010120 is an abundant number, since it is smaller than the sum of its proper divisors (242204440020600).

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

121102220010120 is a wasteful number, since it uses less digits than its factorization.

121102220010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009185166765 (or 1009185166761 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121102220010120 its reverse (21010022201121), we get a palindrome (142112242211241).

The spelling of 121102220010120 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred twenty million, ten thousand, one hundred twenty".