99002021202 has 128 divisors (see below), whose sum is σ = 266695303680. Its totient is φ = 26575257600.

The previous prime is 99002021189. The next prime is 99002021203. The reversal of 99002021202 is 20212020099.

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 (99002021203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3694452 + ... + 3721152.

It is an arithmetic number, because the mean of its divisors is an integer number (2083557060).

Almost surely, 2^99002021202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99002021202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133347651840).

99002021202 is an abundant number, since it is smaller than the sum of its proper divisors (167693282478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99002021202 is a wasteful number, since it uses less digits than its factorization.

99002021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27313 (or 27307 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 99002021202 in words is "ninety-nine billion, two million, twenty-one thousand, two hundred two".