140022031120021 has 4 divisors (see below), whose sum is σ = 140881061985952. Its totient is φ = 139163000254092.

The previous prime is 140022031119979. The next prime is 140022031120033. The reversal of 140022031120021 is 120021130220041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140022031120021 - 2¹³ = 140022031111829 is a prime.

It is a super-2 number, since 2×140022031120021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140025031120021) 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, 429515432721 + ... + 429515433046.

It is an arithmetic number, because the mean of its divisors is an integer number (35220265496488).

Almost surely, 2^{140022031120021} is an apocalyptic number.

It is an amenable number.

140022031120021 is a deficient number, since it is larger than the sum of its proper divisors (859030865931).

140022031120021 is an equidigital number, since it uses as much as digits as its factorization.

140022031120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859030865930.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 140022031120021 its reverse (120021130220041), we get a palindrome (260043161340062).

The spelling of 140022031120021 in words is "one hundred forty trillion, twenty-two billion, thirty-one million, one hundred twenty thousand, twenty-one".