100002200002200 has 72 divisors (see below), whose sum is σ = 335840721680100. Its totient is φ = 26667253333440.

The previous prime is 100002200002147. The next prime is 100002200002273. The reversal of 100002200002200 is 2200002200001.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27778387090 + ... + 27778390689.

Almost surely, 2^{100002200002200} is an apocalyptic number.

100002200002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100002200002200 is an abundant number, since it is smaller than the sum of its proper divisors (235838521677900).

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

100002200002200 is a wasteful number, since it uses less digits than its factorization.

100002200002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55556777801 (or 55556777789 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 100002200002200 its reverse (2200002200001), we get a palindrome (102202202202201).

The spelling of 100002200002200 in words is "one hundred trillion, two billion, two hundred million, two thousand, two hundred".