2100222001100 has 36 divisors (see below), whose sum is σ = 4577558803944. Its totient is φ = 836387959680.

The previous prime is 2100222001099. The next prime is 2100222001109. The reversal of 2100222001100 is 11002220012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2100222001109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46237697 + ... + 46283096.

Almost surely, 2^{2100222001100} is an apocalyptic number.

2100222001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100222001100 is an abundant number, since it is smaller than the sum of its proper divisors (2477336802844).

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

2100222001100 is a wasteful number, since it uses less digits than its factorization.

2100222001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92521034 (or 92521027 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2100222001100 its reverse (11002220012), we get a palindrome (2111224221112).

It can be divided in two parts, 210022 and 2001100, that added together give a palindrome (2211122).

The spelling of 2100222001100 in words is "two trillion, one hundred billion, two hundred twenty-two million, one thousand, one hundred".