99110021002 has 8 divisors (see below), whose sum is σ = 148784062500. Its totient is φ = 49515333504.

The previous prime is 99110020993. The next prime is 99110021069. The reversal of 99110021002 is 20012001199.

It can be written as a sum of positive squares in 2 ways, for example, as 96485405641 + 2624615361 = 310621^2 + 51231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19835377 + ... + 19840372.

Almost surely, 2^99110021002 is an apocalyptic number.

99110021002 is a deficient number, since it is larger than the sum of its proper divisors (49674041498).

99110021002 is a wasteful number, since it uses less digits than its factorization.

99110021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39677000.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 99110021002 in words is "ninety-nine billion, one hundred ten million, twenty-one thousand, two".