11211100222100 has 18 divisors (see below), whose sum is σ = 24328087482174. Its totient is φ = 4484440088800.

The previous prime is 11211100222043. The next prime is 11211100222111. The reversal of 11211100222100 is 122200111211.

It can be written as a sum of positive squares in 3 ways, for example, as 2601910945936 + 8609189276164 = 1613044^2 + 2934142^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56055501011 + ... + 56055501210.

Almost surely, 2^{11211100222100} is an apocalyptic number.

11211100222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211100222100 is an abundant number, since it is smaller than the sum of its proper divisors (13116987260074).

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

11211100222100 is a wasteful number, since it uses less digits than its factorization.

11211100222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112111002235 (or 112111002228 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11211100222100 its reverse (122200111211), we get a palindrome (11333300333311).

The spelling of 11211100222100 in words is "eleven trillion, two hundred eleven billion, one hundred million, two hundred twenty-two thousand, one hundred".