121102220102120 has 32 divisors (see below), whose sum is σ = 272484725479200. Its totient is φ = 48440047107648.

The previous prime is 121102220102033. The next prime is 121102220102137. The reversal of 121102220102120 is 21201022201121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23943650 + ... + 28557009.

It is an arithmetic number, because the mean of its divisors is an integer number (8515147671225).

Almost surely, 2^{121102220102120} is an apocalyptic number.

121102220102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121102220102120 is an abundant number, since it is smaller than the sum of its proper divisors (151382505377080).

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

121102220102120 is a wasteful number, since it uses less digits than its factorization.

121102220102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52558337 (or 52558333 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121102220102120 its reverse (21201022201121), we get a palindrome (142303242303241).

The spelling of 121102220102120 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred twenty million, one hundred two thousand, one hundred twenty".