202201221100987 has 2 divisors, whose sum is σ = 202201221100988. Its totient is φ = 202201221100986.

The previous prime is 202201221100961. The next prime is 202201221101021. The reversal of 202201221100987 is 789001122102202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202201221100987 - 2⁷ = 202201221100859 is a prime.

It is not a weakly prime, because it can be changed into another prime (202201221106987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101100610550493 + 101100610550494.

It is an arithmetic number, because the mean of its divisors is an integer number (101100610550494).

Almost surely, 2^{202201221100987} is an apocalyptic number.

202201221100987 is a deficient number, since it is larger than the sum of its proper divisors (1).

202201221100987 is an equidigital number, since it uses as much as digits as its factorization.

202201221100987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 202201221100987 in words is "two hundred two trillion, two hundred one billion, two hundred twenty-one million, one hundred thousand, nine hundred eighty-seven".