11112320100 has 72 divisors (see below), whose sum is σ = 36744745408. Its totient is φ = 2539958400.

The previous prime is 11112320029. The next prime is 11112320123. The reversal of 11112320100 is 102321111.

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

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, 2643691 + ... + 2647890.

Almost surely, 2^11112320100 is an apocalyptic number.

11112320100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112320100 is an abundant number, since it is smaller than the sum of its proper divisors (25632425308).

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

11112320100 is a wasteful number, since it uses less digits than its factorization.

11112320100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5291605 (or 5291598 counting only the distinct ones).

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

Adding to 11112320100 its reverse (102321111), we get a palindrome (11214641211).

The spelling of 11112320100 in words is "eleven billion, one hundred twelve million, three hundred twenty thousand, one hundred".