101011112231 has 4 divisors (see below), whose sum is σ = 101032891200. Its totient is φ = 100989333264.

The previous prime is 101011112161. The next prime is 101011112239. The reversal of 101011112231 is 132211110101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101011112231 - 2²² = 101006917927 is a prime.

It is a super-2 number, since 2×101011112231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101011112239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10882526 + ... + 10891803.

It is an arithmetic number, because the mean of its divisors is an integer number (25258222800).

Almost surely, 2^101011112231 is an apocalyptic number.

101011112231 is a deficient number, since it is larger than the sum of its proper divisors (21778969).

101011112231 is an equidigital number, since it uses as much as digits as its factorization.

101011112231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21778968.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 101011112231 its reverse (132211110101), we get a palindrome (233222222332).

The spelling of 101011112231 in words is "one hundred one billion, eleven million, one hundred twelve thousand, two hundred thirty-one".