111000002231 has 2 divisors, whose sum is σ = 111000002232. Its totient is φ = 111000002230.

The previous prime is 111000002227. The next prime is 111000002263. The reversal of 111000002231 is 132200000111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111000002231 - 2² = 111000002227 is a prime.

It is a super-2 number, since 2×111000002231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111000002731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500001115 + 55500001116.

It is an arithmetic number, because the mean of its divisors is an integer number (55500001116).

Almost surely, 2^111000002231 is an apocalyptic number.

111000002231 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000002231 is an equidigital number, since it uses as much as digits as its factorization.

111000002231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 111000002231 its reverse (132200000111), we get a palindrome (243200002342).

The spelling of 111000002231 in words is "one hundred eleven billion, two thousand, two hundred thirty-one".