113210210121 has 16 divisors (see below), whose sum is σ = 156333058560. Its totient is φ = 72786452480.

The previous prime is 113210210107. The next prime is 113210210149. The reversal of 113210210121 is 121012012311.

It is a cyclic number.

It is not a de Polignac number, because 113210210121 - 2¹⁹ = 113209685833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113210210121.

It is not an unprimeable number, because it can be changed into a prime (113210210161) 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, 678840 + ... + 829001.

It is an arithmetic number, because the mean of its divisors is an integer number (9770816160).

Almost surely, 2^113210210121 is an apocalyptic number.

It is an amenable number.

113210210121 is a deficient number, since it is larger than the sum of its proper divisors (43122848439).

113210210121 is a wasteful number, since it uses less digits than its factorization.

113210210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508736.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 113210210121 its reverse (121012012311), we get a palindrome (234222222432).

The spelling of 113210210121 in words is "one hundred thirteen billion, two hundred ten million, two hundred ten thousand, one hundred twenty-one".