111100223012 has 24 divisors (see below), whose sum is σ = 205872370200. Its totient is φ = 52279869440.

The previous prime is 111100222997. The next prime is 111100223027. The reversal of 111100223012 is 210322001111.

It is an interprime number because it is at equal distance from previous prime (111100222997) and next prime (111100223027).

It can be written as a sum of positive squares in 4 ways, for example, as 77364084736 + 33736138276 = 278144^2 + 183674^2 .

It is a super-2 number, since 2×111100223012² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2633864 + ... + 2675712.

It is an arithmetic number, because the mean of its divisors is an integer number (8578015425).

Almost surely, 2^111100223012 is an apocalyptic number.

It is an amenable number.

111100223012 is a deficient number, since it is larger than the sum of its proper divisors (94772147188).

111100223012 is a wasteful number, since it uses less digits than its factorization.

111100223012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80911 (or 80909 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 111100223012 its reverse (210322001111), we get a palindrome (321422224123).

The spelling of 111100223012 in words is "one hundred eleven billion, one hundred million, two hundred twenty-three thousand, twelve".