221313132021139 has 2 divisors, whose sum is σ = 221313132021140. Its totient is φ = 221313132021138.

The previous prime is 221313132021131. The next prime is 221313132021221. The reversal of 221313132021139 is 931120231313122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221313132021139 - 2³ = 221313132021131 is a prime.

It is a super-2 number, since 2×221313132021139² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (221313132021131) 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, 110656566010569 + 110656566010570.

It is an arithmetic number, because the mean of its divisors is an integer number (110656566010570).

Almost surely, 2^{221313132021139} is an apocalyptic number.

221313132021139 is a deficient number, since it is larger than the sum of its proper divisors (1).

221313132021139 is an equidigital number, since it uses as much as digits as its factorization.

221313132021139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 221313132021139 in words is "two hundred twenty-one trillion, three hundred thirteen billion, one hundred thirty-two million, twenty-one thousand, one hundred thirty-nine".