121122130120 has 32 divisors (see below), whose sum is σ = 274670668800. Its totient is φ = 48067363008.

The previous prime is 121122130099. The next prime is 121122130123. The reversal of 121122130120 is 21031221121.

It is a super-2 number, since 2×121122130120² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121122130094 and 121122130103.

It is not an unprimeable number, because it can be changed into a prime (121122130123) 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, 11916390 + ... + 11926549.

It is an arithmetic number, because the mean of its divisors is an integer number (8583458400).

Almost surely, 2^121122130120 is an apocalyptic number.

121122130120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121122130120 is an abundant number, since it is smaller than the sum of its proper divisors (153548538680).

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

121122130120 is a wasteful number, since it uses less digits than its factorization.

121122130120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23843077 (or 23843073 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121122130120 its reverse (21031221121), we get a palindrome (142153351241).

The spelling of 121122130120 in words is "one hundred twenty-one billion, one hundred twenty-two million, one hundred thirty thousand, one hundred twenty".