101031011121 has 16 divisors (see below), whose sum is σ = 137228760000. Its totient is φ = 66097594368.

The previous prime is 101031011117. The next prime is 101031011177. The reversal of 101031011121 is 121110130101.

It is not a de Polignac number, because 101031011121 - 2² = 101031011117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101031011097 and 101031011106.

It is not an unprimeable number, because it can be changed into a prime (101031011021) 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, 392496 + ... + 596753.

It is an arithmetic number, because the mean of its divisors is an integer number (8576797500).

Almost surely, 2^101031011121 is an apocalyptic number.

It is an amenable number.

101031011121 is a deficient number, since it is larger than the sum of its proper divisors (36197748879).

101031011121 is an equidigital number, since it uses as much as digits as its factorization.

101031011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989888.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 101031011121 its reverse (121110130101), we get a palindrome (222141141222).

The spelling of 101031011121 in words is "one hundred one billion, thirty-one million, eleven thousand, one hundred twenty-one".