111100100049 has 24 divisors (see below), whose sum is σ = 160841608200. Its totient is φ = 73899048960.

The previous prime is 111100099997. The next prime is 111100100081. The reversal of 111100100049 is 940001001111.

It can be written as a sum of positive squares in 4 ways, for example, as 46228010049 + 64872090000 = 215007^2 + 254700^2 .

It is a de Polignac number, because none of the positive numbers 2^k-111100100049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111100100849) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9276337 + ... + 9288305.

It is an arithmetic number, because the mean of its divisors is an integer number (6701733675).

Almost surely, 2^111100100049 is an apocalyptic number.

It is an amenable number.

111100100049 is a deficient number, since it is larger than the sum of its proper divisors (49741508151).

111100100049 is a wasteful number, since it uses less digits than its factorization.

111100100049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14225 (or 14222 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 111100100049 in words is "one hundred eleven billion, one hundred million, one hundred thousand, forty-nine".