103113113121 has 12 divisors (see below), whose sum is σ = 149720962560. Its totient is φ = 68382168120.

The previous prime is 103113113111. The next prime is 103113113137. The reversal of 103113113121 is 121311311301.

103113113121 is a `hidden beast` number, since 10 + 31 + 1 + 311 + 312 + 1 = 666.

It is not a de Polignac number, because 103113113121 - 2¹⁰ = 103113112097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103113113094 and 103113113103.

It is not an unprimeable number, because it can be changed into a prime (103113113101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29990461 + ... + 29993898.

It is an arithmetic number, because the mean of its divisors is an integer number (12476746880).

Almost surely, 2^103113113121 is an apocalyptic number.

It is an amenable number.

103113113121 is a deficient number, since it is larger than the sum of its proper divisors (46607849439).

103113113121 is a wasteful number, since it uses less digits than its factorization.

103113113121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59984556 (or 59984553 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 103113113121 its reverse (121311311301), we get a palindrome (224424424422).

The spelling of 103113113121 in words is "one hundred three billion, one hundred thirteen million, one hundred thirteen thousand, one hundred twenty-one".