1111210222100 has 72 divisors (see below), whose sum is σ = 2630714102688. Its totient is φ = 404049340800.

The previous prime is 1111210222081. The next prime is 1111210222117. The reversal of 1111210222100 is 12220121111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24338894 + ... + 24384506.

Almost surely, 2^{1111210222100} is an apocalyptic number.

1111210222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111210222100 is an abundant number, since it is smaller than the sum of its proper divisors (1519503880588).

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

1111210222100 is a wasteful number, since it uses less digits than its factorization.

1111210222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67785 (or 67778 counting only the distinct ones).

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

Adding to 1111210222100 its reverse (12220121111), we get a palindrome (1123430343211).

The spelling of 1111210222100 in words is "one trillion, one hundred eleven billion, two hundred ten million, two hundred twenty-two thousand, one hundred".