2111222000100 has 72 divisors (see below), whose sum is σ = 6118337811040. Its totient is φ = 562082964480.

The previous prime is 2111221999967. The next prime is 2111222000117. The reversal of 2111222000100 is 10002221112.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5498797 + ... + 5870196.

Almost surely, 2^{2111222000100} is an apocalyptic number.

2111222000100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111222000100 is an abundant number, since it is smaller than the sum of its proper divisors (4007115810940).

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

2111222000100 is a wasteful number, since it uses less digits than its factorization.

2111222000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11369629 (or 11369622 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2111222000100 its reverse (10002221112), we get a palindrome (2121224221212).

The spelling of 2111222000100 in words is "two trillion, one hundred eleven billion, two hundred twenty-two million, one hundred", and thus it is an aban number.