102201994019 has 2 divisors, whose sum is σ = 102201994020. Its totient is φ = 102201994018.

The previous prime is 102201993997. The next prime is 102201994043. The reversal of 102201994019 is 910499102201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102201994019 - 2⁸ = 102201993763 is a prime.

It is a super-2 number, since 2×102201994019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102201994049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51100997009 + 51100997010.

It is an arithmetic number, because the mean of its divisors is an integer number (51100997010).

Almost surely, 2^102201994019 is an apocalyptic number.

102201994019 is a deficient number, since it is larger than the sum of its proper divisors (1).

102201994019 is an equidigital number, since it uses as much as digits as its factorization.

102201994019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 102201994019 in words is "one hundred two billion, two hundred one million, nine hundred ninety-four thousand, nineteen".