113403311121 has 16 divisors (see below), whose sum is σ = 153995843520. Its totient is φ = 74210304000.

The previous prime is 113403311113. The next prime is 113403311141. The reversal of 113403311121 is 121113304311.

It is not a de Polignac number, because 113403311121 - 2³ = 113403311113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113403311141) 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, 356880 + ... + 595121.

It is an arithmetic number, because the mean of its divisors is an integer number (9624740220).

Almost surely, 2^113403311121 is an apocalyptic number.

It is an amenable number.

113403311121 is a deficient number, since it is larger than the sum of its proper divisors (40592532399).

113403311121 is an equidigital number, since it uses as much as digits as its factorization.

113403311121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952736.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 113403311121 its reverse (121113304311), we get a palindrome (234516615432).

The spelling of 113403311121 in words is "one hundred thirteen billion, four hundred three million, three hundred eleven thousand, one hundred twenty-one".