121121333013130 has 16 divisors (see below), whose sum is σ = 230843011154760. Its totient is φ = 45598619487232.

The previous prime is 121121333013073. The next prime is 121121333013137. The reversal of 121121333013130 is 31310333121121.

It can be written as a sum of positive squares in 4 ways, for example, as 85928283602001 + 35193049411129 = 9269751^2 + 5932373^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121121333013095 and 121121333013104.

It is not an unprimeable number, because it can be changed into a prime (121121333013137) 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, 356239214575 + ... + 356239214914.

Almost surely, 2^{121121333013130} is an apocalyptic number.

121121333013130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121121333013130 is a deficient number, since it is larger than the sum of its proper divisors (109721678141630).

121121333013130 is a wasteful number, since it uses less digits than its factorization.

121121333013130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712478429513.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 121121333013130 its reverse (31310333121121), we get a palindrome (152431666134251).

The spelling of 121121333013130 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, three hundred thirty-three million, thirteen thousand, one hundred thirty".