111240031002100 has 144 divisors (see below), whose sum is σ = 324105220688256. Its totient is φ = 32005123776000.

The previous prime is 111240031002077. The next prime is 111240031002103. The reversal of 111240031002100 is 1200130042111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111240031002103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 555544411 + ... + 555744610.

It is an arithmetic number, because the mean of its divisors is an integer number (2250730699224).

Almost surely, 2^{111240031002100} is an apocalyptic number.

111240031002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111240031002100 is an abundant number, since it is smaller than the sum of its proper divisors (212865189686156).

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

111240031002100 is a wasteful number, since it uses less digits than its factorization.

111240031002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111289066 (or 1111289059 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111240031002100 its reverse (1200130042111), we get a palindrome (112440161044211).

The spelling of 111240031002100 in words is "one hundred eleven trillion, two hundred forty billion, thirty-one million, two thousand, one hundred".