202221024139 has 2 divisors, whose sum is σ = 202221024140. Its totient is φ = 202221024138.

The previous prime is 202221024101. The next prime is 202221024179. The reversal of 202221024139 is 931420122202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202221024139 - 2²³ = 202212635531 is a prime.

It is not a weakly prime, because it can be changed into another prime (202221024179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101110512069 + 101110512070.

It is an arithmetic number, because the mean of its divisors is an integer number (101110512070).

Almost surely, 2^202221024139 is an apocalyptic number.

202221024139 is a deficient number, since it is larger than the sum of its proper divisors (1).

202221024139 is an equidigital number, since it uses as much as digits as its factorization.

202221024139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 202221024139 in words is "two hundred two billion, two hundred twenty-one million, twenty-four thousand, one hundred thirty-nine".