111044122100 has 18 divisors (see below), whose sum is σ = 240965745174. Its totient is φ = 44417648800.

The previous prime is 111044122099. The next prime is 111044122103. The reversal of 111044122100 is 1221440111.

It can be written as a sum of positive squares in 3 ways, for example, as 35279357584 + 75764764516 = 187828^2 + 275254^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111044122103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555220511 + ... + 555220710.

It is an arithmetic number, because the mean of its divisors is an integer number (13386985843).

Almost surely, 2^111044122100 is an apocalyptic number.

111044122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111044122100 is an abundant number, since it is smaller than the sum of its proper divisors (129921623074).

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

111044122100 is a wasteful number, since it uses less digits than its factorization.

111044122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110441235 (or 1110441228 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111044122100 its reverse (1221440111), we get a palindrome (112265562211).

The spelling of 111044122100 in words is "one hundred eleven billion, forty-four million, one hundred twenty-two thousand, one hundred".