10202112099989 has 2 divisors, whose sum is σ = 10202112099990. Its totient is φ = 10202112099988.

The previous prime is 10202112099979. The next prime is 10202112100003. The reversal of 10202112099989 is 98999021120201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9053731959364 + 1148380140625 = 3008942^2 + 1071625^2 .

It is a cyclic number.

It is not a de Polignac number, because 10202112099989 - 2²⁴ = 10202095322773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10202112099989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10202112099979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101056049994 + 5101056049995.

It is an arithmetic number, because the mean of its divisors is an integer number (5101056049995).

Almost surely, 2^{10202112099989} is an apocalyptic number.

It is an amenable number.

10202112099989 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202112099989 is an equidigital number, since it uses as much as digits as its factorization.

10202112099989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 53.

The spelling of 10202112099989 in words is "ten trillion, two hundred two billion, one hundred twelve million, ninety-nine thousand, nine hundred eighty-nine".