140022321010021 has 4 divisors (see below), whose sum is σ = 140057959171500. Its totient is φ = 139986682848544.

The previous prime is 140022321009983. The next prime is 140022321010031. The reversal of 140022321010021 is 120010123220041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43987005352900 + 96035315657121 = 6632270^2 + 9799761^2 .

It is a cyclic number.

It is not a de Polignac number, because 140022321010021 - 2⁹ = 140022321009509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140022321010031) 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, 17819074846 + ... + 17819082703.

It is an arithmetic number, because the mean of its divisors is an integer number (35014489792875).

Almost surely, 2^{140022321010021} is an apocalyptic number.

It is an amenable number.

140022321010021 is a deficient number, since it is larger than the sum of its proper divisors (35638161479).

140022321010021 is an equidigital number, since it uses as much as digits as its factorization.

140022321010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35638161478.

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

Adding to 140022321010021 its reverse (120010123220041), we get a palindrome (260032444230062).

The spelling of 140022321010021 in words is "one hundred forty trillion, twenty-two billion, three hundred twenty-one million, ten thousand, twenty-one".