11222222102100 has 54 divisors (see below), whose sum is σ = 35175431725070. Its totient is φ = 2992592560320.

The previous prime is 11222222102099. The next prime is 11222222102137. The reversal of 11222222102100 is 120122222211.

It is a happy number.

11222222102100 is a `hidden beast` number, since 1 + 1 + 22 + 222 + 210 + 210 + 0 = 666.

11222222102100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 286317027396 + 10935905074704 = 535086^2 + 3306948^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6234566935 + ... + 6234568734.

Almost surely, 2^{11222222102100} is an apocalyptic number.

11222222102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222222102100 is an abundant number, since it is smaller than the sum of its proper divisors (23953209622970).

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

11222222102100 is a wasteful number, since it uses less digits than its factorization.

11222222102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12469135689 (or 12469135679 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11222222102100 its reverse (120122222211), we get a palindrome (11342344324311).

The spelling of 11222222102100 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred two thousand, one hundred".