2122211211100 has 36 divisors (see below), whose sum is σ = 4847577191800. Its totient is φ = 804206352960.

The previous prime is 2122211211067. The next prime is 2122211211143. The reversal of 2122211211100 is 11121122212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 558474735 + ... + 558478534.

Almost surely, 2^{2122211211100} is an apocalyptic number.

2122211211100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122211211100 is an abundant number, since it is smaller than the sum of its proper divisors (2725365980700).

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

2122211211100 is a wasteful number, since it uses less digits than its factorization.

2122211211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116953302 (or 1116953295 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2122211211100 its reverse (11121122212), we get a palindrome (2133332333312).

It can be divided in two parts, 21222112 and 11100, that added together give a palindrome (21233212).

The spelling of 2122211211100 in words is "two trillion, one hundred twenty-two billion, two hundred eleven million, two hundred eleven thousand, one hundred".