100021002099 has 32 divisors (see below), whose sum is σ = 139912473600. Its totient is φ = 63493372800.

The previous prime is 100021002097. The next prime is 100021002113. The reversal of 100021002099 is 990200120001.

It is not a de Polignac number, because 100021002099 - 2¹ = 100021002097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100021002097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1310314 + ... + 1384544.

It is an arithmetic number, because the mean of its divisors is an integer number (4372264800).

Almost surely, 2^100021002099 is an apocalyptic number.

100021002099 is a deficient number, since it is larger than the sum of its proper divisors (39891471501).

100021002099 is a wasteful number, since it uses less digits than its factorization.

100021002099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74531.

The product of its (nonzero) digits is 324, while the sum is 24.

It can be divided in two parts, 10002 and 1002099, that added together give a palindrome (1012101).

The spelling of 100021002099 in words is "one hundred billion, twenty-one million, two thousand, ninety-nine".