113111321003120 has 40 divisors (see below), whose sum is σ = 286891441455600. Its totient is φ = 41131389455360.

The previous prime is 113111321003111. The next prime is 113111321003129. The reversal of 113111321003120 is 21300123111311.

It is an interprime number because it is at equal distance from previous prime (113111321003111) and next prime (113111321003129).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 113111321003092 and 113111321003101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113111321003129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64267795145 + ... + 64267796904.

It is an arithmetic number, because the mean of its divisors is an integer number (7172286036390).

Almost surely, 2^{113111321003120} is an apocalyptic number.

113111321003120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113111321003120 is an abundant number, since it is smaller than the sum of its proper divisors (173780120452480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113111321003120 is a wasteful number, since it uses less digits than its factorization.

113111321003120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128535592073 (or 128535592067 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 113111321003120 its reverse (21300123111311), we get a palindrome (134411444114431).

The spelling of 113111321003120 in words is "one hundred thirteen trillion, one hundred eleven billion, three hundred twenty-one million, three thousand, one hundred twenty".