111112111202 has 4 divisors (see below), whose sum is σ = 166668166806. Its totient is φ = 55556055600.

The previous prime is 111112111189. The next prime is 111112111249. The reversal of 111112111202 is 202111211111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202111211111 = 170383 ⋅1186217.

It can be written as a sum of positive squares in only one way, i.e., 92307200041 + 18804911161 = 303821^2 + 137131^2 .

It is a super-2 number, since 2×111112111202² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27778027799 + ... + 27778027802.

Almost surely, 2^111112111202 is an apocalyptic number.

111112111202 is a deficient number, since it is larger than the sum of its proper divisors (55556055604).

111112111202 is an equidigital number, since it uses as much as digits as its factorization.

111112111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55556055603.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111112111202 its reverse (202111211111), we get a palindrome (313223322313).

Subtracting 111112111202 from its reverse (202111211111), we obtain a palindrome (90999099909).

The spelling of 111112111202 in words is "one hundred eleven billion, one hundred twelve million, one hundred eleven thousand, two hundred two".