113021001213 has 32 divisors (see below), whose sum is σ = 162620047872. Its totient is φ = 69555532800.

The previous prime is 113021001199. The next prime is 113021001221. The reversal of 113021001213 is 312100120311.

It is a happy number.

It is not a de Polignac number, because 113021001213 - 2⁸ = 113021000957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113021001192 and 113021001201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113021001263) 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, 16163148 + ... + 16170138.

It is an arithmetic number, because the mean of its divisors is an integer number (5081876496).

Almost surely, 2^113021001213 is an apocalyptic number.

It is an amenable number.

113021001213 is a deficient number, since it is larger than the sum of its proper divisors (49599046659).

113021001213 is a wasteful number, since it uses less digits than its factorization.

113021001213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13045.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 113021001213 its reverse (312100120311), we get a palindrome (425121121524).

The spelling of 113021001213 in words is "one hundred thirteen billion, twenty-one million, one thousand, two hundred thirteen".