121333122130 has 64 divisors (see below), whose sum is σ = 243514833408. Its totient is φ = 43148412160.

The previous prime is 121333122103. The next prime is 121333122137. The reversal of 121333122130 is 31221333121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (121333122137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7089864 + ... + 7106956.

It is an arithmetic number, because the mean of its divisors is an integer number (3804919272).

Almost surely, 2^121333122130 is an apocalyptic number.

121333122130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121333122130 is an abundant number, since it is smaller than the sum of its proper divisors (122181711278).

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

121333122130 is a wasteful number, since it uses less digits than its factorization.

121333122130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18531.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 121333122130 its reverse (31221333121), we get a palindrome (152554455251).

The spelling of 121333122130 in words is "one hundred twenty-one billion, three hundred thirty-three million, one hundred twenty-two thousand, one hundred thirty".