220231020021139 has 2 divisors, whose sum is σ = 220231020021140. Its totient is φ = 220231020021138.

The previous prime is 220231020021053. The next prime is 220231020021223. The reversal of 220231020021139 is 931120020132022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220231020021139 - 2¹¹ = 220231020019091 is a prime.

It is not a weakly prime, because it can be changed into another prime (220231020021239) 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, 110115510010569 + 110115510010570.

It is an arithmetic number, because the mean of its divisors is an integer number (110115510010570).

Almost surely, 2^{220231020021139} is an apocalyptic number.

220231020021139 is a deficient number, since it is larger than the sum of its proper divisors (1).

220231020021139 is an equidigital number, since it uses as much as digits as its factorization.

220231020021139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 220231020021139 in words is "two hundred twenty trillion, two hundred thirty-one billion, twenty million, twenty-one thousand, one hundred thirty-nine".