10102202221987 has 2 divisors, whose sum is σ = 10102202221988. Its totient is φ = 10102202221986.

The previous prime is 10102202221967. The next prime is 10102202222051. The reversal of 10102202221987 is 78912220220101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10102202221987 - 2³⁵ = 10067842483619 is a prime.

It is not a weakly prime, because it can be changed into another prime (10102202221967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051101110993 + 5051101110994.

It is an arithmetic number, because the mean of its divisors is an integer number (5051101110994).

Almost surely, 2^{10102202221987} is an apocalyptic number.

10102202221987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10102202221987 is an equidigital number, since it uses as much as digits as its factorization.

10102202221987 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 10102202221987 in words is "ten trillion, one hundred two billion, two hundred two million, two hundred twenty-one thousand, nine hundred eighty-seven".