103111130111121 has 48 divisors (see below), whose sum is σ = 169867830817152. Its totient is φ = 59659837036800.

The previous prime is 103111130111113. The next prime is 103111130111153. The reversal of 103111130111121 is 121111031111301.

It is a happy number.

103111130111121 is a `hidden beast` number, since 10 + 311 + 11 + 301 + 1 + 11 + 21 = 666.

It is not a de Polignac number, because 103111130111121 - 2³ = 103111130111113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103111130111094 and 103111130111103.

It is not an unprimeable number, because it can be changed into a prime (103111130111161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42272190 + ... + 44644823.

It is an arithmetic number, because the mean of its divisors is an integer number (3538913142024).

Almost surely, 2^{103111130111121} is an apocalyptic number.

103111130111121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103111130111121 is a deficient number, since it is larger than the sum of its proper divisors (66756700706031).

103111130111121 is a wasteful number, since it uses less digits than its factorization.

103111130111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86917574 (or 86917571 counting only the distinct ones).

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

Adding to 103111130111121 its reverse (121111031111301), we get a palindrome (224222161222422).

The spelling of 103111130111121 in words is "one hundred three trillion, one hundred eleven billion, one hundred thirty million, one hundred eleven thousand, one hundred twenty-one".