10102012020099 has 20 divisors (see below), whose sum is σ = 15090833373264. Its totient is φ = 6734597276304.

The previous prime is 10102012020053. The next prime is 10102012020103. The reversal of 10102012020099 is 99002021020101.

It is not a de Polignac number, because 10102012020099 - 2⁷ = 10102012019971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10102012020029) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6866629 + ... + 8206985.

Almost surely, 2^{10102012020099} is an apocalyptic number.

10102012020099 is a deficient number, since it is larger than the sum of its proper divisors (4988821353165).

10102012020099 is an equidigital number, since it uses as much as digits as its factorization.

10102012020099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433416 (or 1433407 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 10102012020099 in words is "ten trillion, one hundred two billion, twelve million, twenty thousand, ninety-nine".