113212200122121 has 16 divisors (see below), whose sum is σ = 157518250583040. Its totient is φ = 72190709218320.

The previous prime is 113212200122041. The next prime is 113212200122207. The reversal of 113212200122121 is 121221002212311.

It is not a de Polignac number, because 113212200122121 - 2⁹ = 113212200121609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113212200120121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27346045 + ... + 31212666.

It is an arithmetic number, because the mean of its divisors is an integer number (9844890661440).

Almost surely, 2^{113212200122121} is an apocalyptic number.

It is an amenable number.

113212200122121 is a deficient number, since it is larger than the sum of its proper divisors (44306050460919).

113212200122121 is a wasteful number, since it uses less digits than its factorization.

113212200122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58586756.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 113212200122121 its reverse (121221002212311), we get a palindrome (234433202334432).

The spelling of 113212200122121 in words is "one hundred thirteen trillion, two hundred twelve billion, two hundred million, one hundred twenty-two thousand, one hundred twenty-one".