101320122231 has 24 divisors (see below), whose sum is σ = 146659446960. Its totient is φ = 67404669696.

The previous prime is 101320122217. The next prime is 101320122289. The reversal of 101320122231 is 132221023101.

101320122231 is a `hidden beast` number, since 101 + 320 + 12 + 2 + 231 = 666.

It is not a de Polignac number, because 101320122231 - 2⁹ = 101320121719 is a prime.

It is a super-2 number, since 2×101320122231² (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 (101320123231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9935071 + ... + 9945263.

It is an arithmetic number, because the mean of its divisors is an integer number (6110810290).

Almost surely, 2^101320122231 is an apocalyptic number.

101320122231 is a deficient number, since it is larger than the sum of its proper divisors (45339324729).

101320122231 is a wasteful number, since it uses less digits than its factorization.

101320122231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12415 (or 12412 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 101320122231 its reverse (132221023101), we get a palindrome (233541145332).

The spelling of 101320122231 in words is "one hundred one billion, three hundred twenty million, one hundred twenty-two thousand, two hundred thirty-one".