231122100011 has 16 divisors (see below), whose sum is σ = 267554776320. Its totient is φ = 197569357920.

The previous prime is 231122099987. The next prime is 231122100043. The reversal of 231122100011 is 110001221132.

It is not a de Polignac number, because 231122100011 - 2³⁰ = 230048358187 is a prime.

It is a super-2 number, since 2×231122100011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231122100071) 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, 7726820 + ... + 7756673.

It is an arithmetic number, because the mean of its divisors is an integer number (16722173520).

Almost surely, 2^231122100011 is an apocalyptic number.

231122100011 is a deficient number, since it is larger than the sum of its proper divisors (36432676309).

231122100011 is a wasteful number, since it uses less digits than its factorization.

231122100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15483586.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 231122100011 its reverse (110001221132), we get a palindrome (341123321143).

It can be divided in two parts, 231122 and 100011, that added together give a palindrome (331133).

The spelling of 231122100011 in words is "two hundred thirty-one billion, one hundred twenty-two million, one hundred thousand, eleven".