111101202112 has 28 divisors (see below), whose sum is σ = 221175382896. Its totient is φ = 55371971840.

The previous prime is 111101202109. The next prime is 111101202131. The reversal of 111101202112 is 211202101111.

It is a happy number.

It is a super-2 number, since 2×111101202112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111101202092 and 111101202101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2771023 + ... + 2810830.

Almost surely, 2^111101202112 is an apocalyptic number.

It is an amenable number.

111101202112 is a deficient number, since it is larger than the sum of its proper divisors (110074180784).

111101202112 is an equidigital number, since it uses as much as digits as its factorization.

111101202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5582176 (or 5582166 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111101202112 its reverse (211202101111), we get a palindrome (322303303223).

The spelling of 111101202112 in words is "one hundred eleven billion, one hundred one million, two hundred two thousand, one hundred twelve".