11102222100 has 72 divisors (see below), whose sum is σ = 32171600608. Its totient is φ = 2956060800.

The previous prime is 11102222093. The next prime is 11102222123. The reversal of 11102222100 is 122220111.

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

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 23 ways as a sum of consecutive naturals, for example, 170307 + ... + 226293.

Almost surely, 2^11102222100 is an apocalyptic number.

11102222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11102222100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16085800304).

11102222100 is an abundant number, since it is smaller than the sum of its proper divisors (21069378508).

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

11102222100 is a wasteful number, since it uses less digits than its factorization.

11102222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56665 (or 56658 counting only the distinct ones).

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

Adding to 11102222100 its reverse (122220111), we get a palindrome (11224442211).

The spelling of 11102222100 in words is "eleven billion, one hundred two million, two hundred twenty-two thousand, one hundred".