221200202021039 has 2 divisors, whose sum is σ = 221200202021040. Its totient is φ = 221200202021038.

The previous prime is 221200202020961. The next prime is 221200202021053. The reversal of 221200202021039 is 930120202002122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221200202021039 - 2³² = 221195907053743 is a prime.

It is a super-2 number, since 2×221200202021039² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221200202020999 and 221200202021017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221200202021069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110600101010519 + 110600101010520.

It is an arithmetic number, because the mean of its divisors is an integer number (110600101010520).

Almost surely, 2^{221200202021039} is an apocalyptic number.

221200202021039 is a deficient number, since it is larger than the sum of its proper divisors (1).

221200202021039 is an equidigital number, since it uses as much as digits as its factorization.

221200202021039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 221200202021039 in words is "two hundred twenty-one trillion, two hundred billion, two hundred two million, twenty-one thousand, thirty-nine".