101122133231 has 16 divisors (see below), whose sum is σ = 118268688384. Its totient is φ = 84651152544.

The previous prime is 101122133227. The next prime is 101122133251. The reversal of 101122133231 is 132331221101.

It is a happy number.

It is not a de Polignac number, because 101122133231 - 2² = 101122133227 is a prime.

It is a super-2 number, since 2×101122133231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101122133221) 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, 5451785 + ... + 5470301.

It is an arithmetic number, because the mean of its divisors is an integer number (7391793024).

Almost surely, 2^101122133231 is an apocalyptic number.

101122133231 is a deficient number, since it is larger than the sum of its proper divisors (17146555153).

101122133231 is a wasteful number, since it uses less digits than its factorization.

101122133231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36710.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 101122133231 its reverse (132331221101), we get a palindrome (233453354332).

The spelling of 101122133231 in words is "one hundred one billion, one hundred twenty-two million, one hundred thirty-three thousand, two hundred thirty-one".