113212311130121 has 32 divisors (see below), whose sum is σ = 138508229068800. Its totient is φ = 90370651328640.

The previous prime is 113212311130117. The next prime is 113212311130169. The reversal of 113212311130121 is 121031113212311.

It is a cyclic number.

It is not a de Polignac number, because 113212311130121 - 2² = 113212311130117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113212311139121) 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, 254829101 + ... + 255272981.

It is an arithmetic number, because the mean of its divisors is an integer number (4328382158400).

Almost surely, 2^{113212311130121} is an apocalyptic number.

It is an amenable number.

113212311130121 is a deficient number, since it is larger than the sum of its proper divisors (25295917938679).

113212311130121 is a wasteful number, since it uses less digits than its factorization.

113212311130121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476469.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 113212311130121 its reverse (121031113212311), we get a palindrome (234243424342432).

The spelling of 113212311130121 in words is "one hundred thirteen trillion, two hundred twelve billion, three hundred eleven million, one hundred thirty thousand, one hundred twenty-one".