103111103111121 has 24 divisors (see below), whose sum is σ = 170215640416640. Its totient is φ = 58920462092736.

The previous prime is 103111103111077. The next prime is 103111103111153. The reversal of 103111103111121 is 121111301111301.

It is a happy number.

103111103111121 is a `hidden beast` number, since 1 + 0 + 311 + 1 + 10 + 311 + 11 + 21 = 666.

It is not a de Polignac number, because 103111103111121 - 2¹⁰ = 103111103110097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103111103111094 and 103111103111103.

It is not an unprimeable number, because it can be changed into a prime (103111103111021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21874956 + ... + 26167458.

Almost surely, 2^{103111103111121} is an apocalyptic number.

It is an amenable number.

103111103111121 is a deficient number, since it is larger than the sum of its proper divisors (67104537305519).

103111103111121 is a wasteful number, since it uses less digits than its factorization.

103111103111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4673805 (or 4673802 counting only the distinct ones).

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

Adding to 103111103111121 its reverse (121111301111301), we get a palindrome (224222404222422).

The spelling of 103111103111121 in words is "one hundred three trillion, one hundred eleven billion, one hundred three million, one hundred eleven thousand, one hundred twenty-one".