111303120100 has 18 divisors (see below), whose sum is σ = 241527770834. Its totient is φ = 44521248000.

The previous prime is 111303120059. The next prime is 111303120113. The reversal of 111303120100 is 1021303111.

It can be written as a sum of positive squares in 3 ways, for example, as 223562304 + 111079557796 = 14952^2 + 333286^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556515501 + ... + 556515700.

Almost surely, 2^111303120100 is an apocalyptic number.

111303120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111303120100 is an abundant number, since it is smaller than the sum of its proper divisors (130224650734).

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

111303120100 is a wasteful number, since it uses less digits than its factorization.

111303120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113031215 (or 1113031208 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 111303120100 its reverse (1021303111), we get a palindrome (112324423211).

The spelling of 111303120100 in words is "one hundred eleven billion, three hundred three million, one hundred twenty thousand, one hundred".