101321122231 has 16 divisors (see below), whose sum is σ = 116520733440. Its totient is φ = 86303456640.

The previous prime is 101321122219. The next prime is 101321122241. The reversal of 101321122231 is 132221123101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101321122231 is a prime.

It is a super-2 number, since 2×101321122231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101321122199 and 101321122208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101321122241) 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, 1891935 + ... + 1944751.

It is an arithmetic number, because the mean of its divisors is an integer number (7282545840).

Almost surely, 2^101321122231 is an apocalyptic number.

101321122231 is a deficient number, since it is larger than the sum of its proper divisors (15199611209).

101321122231 is a wasteful number, since it uses less digits than its factorization.

101321122231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54534.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 101321122231 its reverse (132221123101), we get a palindrome (233542245332).

The spelling of 101321122231 in words is "one hundred one billion, three hundred twenty-one million, one hundred twenty-two thousand, two hundred thirty-one".