101112131 has 4 divisors (see below), whose sum is σ = 101133000. Its totient is φ = 101091264.

The previous prime is 101112119. The next prime is 101112133. The reversal of 101112131 is 131211101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131211101 = 7 ⋅18744443.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101112131 is a prime.

It is a super-2 number, since 2×101112131² = 20447326070722322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101112133) 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, 1040 + ... + 14258.

It is an arithmetic number, because the mean of its divisors is an integer number (25283250).

Almost surely, 2^101112131 is an apocalyptic number.

101112131 is a deficient number, since it is larger than the sum of its proper divisors (20869).

101112131 is an equidigital number, since it uses as much as digits as its factorization.

101112131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20868.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 101112131 is about 10055.4527993522. The cubic root of 101112131 is about 465.8732286694.

Adding to 101112131 its reverse (131211101), we get a palindrome (232323232).

The spelling of 101112131 in words is "one hundred one million, one hundred twelve thousand, one hundred thirty-one".