221102020039 has 2 divisors, whose sum is σ = 221102020040. Its totient is φ = 221102020038.

The previous prime is 221102020003. The next prime is 221102020057. The reversal of 221102020039 is 930020201122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221102020039 - 2⁷ = 221102019911 is a prime.

It is a super-2 number, since 2×221102020039² (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 (221102020439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110551010019 + 110551010020.

It is an arithmetic number, because the mean of its divisors is an integer number (110551010020).

Almost surely, 2^221102020039 is an apocalyptic number.

221102020039 is a deficient number, since it is larger than the sum of its proper divisors (1).

221102020039 is an equidigital number, since it uses as much as digits as its factorization.

221102020039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 221102020039 in words is "two hundred twenty-one billion, one hundred two million, twenty thousand, thirty-nine".