221101013239 has 2 divisors, whose sum is σ = 221101013240. Its totient is φ = 221101013238.

The previous prime is 221101013209. The next prime is 221101013291. The reversal of 221101013239 is 932310101122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221101013239 - 2²³ = 221092624631 is a prime.

It is a super-2 number, since 2×221101013239² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221101013209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110550506619 + 110550506620.

It is an arithmetic number, because the mean of its divisors is an integer number (110550506620).

Almost surely, 2^221101013239 is an apocalyptic number.

221101013239 is a deficient number, since it is larger than the sum of its proper divisors (1).

221101013239 is an equidigital number, since it uses as much as digits as its factorization.

221101013239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 221101013239 in words is "two hundred twenty-one billion, one hundred one million, thirteen thousand, two hundred thirty-nine".