121103122013220 has 96 divisors (see below), whose sum is σ = 340332439805568. Its totient is φ = 32175774410752.

The previous prime is 121103122013213. The next prime is 121103122013243. The reversal of 121103122013220 is 22310221301121.

It is a super-2 number, since 2×121103122013220² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68515612 + ... + 70260908.

It is an arithmetic number, because the mean of its divisors is an integer number (3545129581308).

Almost surely, 2^{121103122013220} is an apocalyptic number.

121103122013220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121103122013220 is an abundant number, since it is smaller than the sum of its proper divisors (219229317792348).

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

121103122013220 is a wasteful number, since it uses less digits than its factorization.

121103122013220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749549 (or 1749547 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121103122013220 its reverse (22310221301121), we get a palindrome (143413343314341).

The spelling of 121103122013220 in words is "one hundred twenty-one trillion, one hundred three billion, one hundred twenty-two million, thirteen thousand, two hundred twenty".