2222201202100 has 72 divisors (see below), whose sum is σ = 5312641281696. Its totient is φ = 800072400000.

The previous prime is 2222201202059. The next prime is 2222201202101. The reversal of 2222201202100 is 12021022222.

It is a super-2 number, since 2×2222201202100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222201202101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9889806 + ... + 10112005.

It is an arithmetic number, because the mean of its divisors is an integer number (73786684468).

Almost surely, 2^{2222201202100} is an apocalyptic number.

2222201202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222201202100 is an abundant number, since it is smaller than the sum of its proper divisors (3090440079596).

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

2222201202100 is a wasteful number, since it uses less digits than its factorization.

2222201202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20001937 (or 20001930 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2222201202100 its reverse (12021022222), we get a palindrome (2234222224322).

The spelling of 2222201202100 in words is "two trillion, two hundred twenty-two billion, two hundred one million, two hundred two thousand, one hundred".