140240233122021 has 120 divisors (see below), whose sum is σ = 226537277972544. Its totient is φ = 86395854061440.

The previous prime is 140240233121951. The next prime is 140240233122061. The reversal of 140240233122021 is 120221332042041.

140240233122021 is a `hidden beast` number, since 1 + 4 + 0 + 2 + 402 + 3 + 31 + 220 + 2 + 1 = 666.

It is not a de Polignac number, because 140240233122021 - 2¹⁸ = 140240232859877 is a prime.

It is a super-2 number, since 2×140240233122021² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140240233122061) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 9791253966 + ... + 9791268288.

Almost surely, 2^{140240233122021} is an apocalyptic number.

It is an amenable number.

140240233122021 is a deficient number, since it is larger than the sum of its proper divisors (86297044850523).

140240233122021 is a wasteful number, since it uses less digits than its factorization.

140240233122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22581 (or 22553 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 140240233122021 its reverse (120221332042041), we get a palindrome (260461565164062).

The spelling of 140240233122021 in words is "one hundred forty trillion, two hundred forty billion, two hundred thirty-three million, one hundred twenty-two thousand, twenty-one".