2222100002100 has 144 divisors (see below), whose sum is σ = 7132633482240. Its totient is φ = 529560508800.

The previous prime is 2222100002063. The next prime is 2222100002123. The reversal of 2222100002100 is 12000012222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5511772 + ... + 5901171.

It is an arithmetic number, because the mean of its divisors is an integer number (49532176960).

Almost surely, 2^{2222100002100} is an apocalyptic number.

2222100002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222100002100 is an abundant number, since it is smaller than the sum of its proper divisors (4910533480140).

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

2222100002100 is a wasteful number, since it uses less digits than its factorization.

2222100002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11413030 (or 11413023 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2222100002100 its reverse (12000012222), we get a palindrome (2234100014322).

The spelling of 2222100002100 in words is "two trillion, two hundred twenty-two billion, one hundred million, two thousand, one hundred".