111010012231 has 2 divisors, whose sum is σ = 111010012232. Its totient is φ = 111010012230.

The previous prime is 111010012153. The next prime is 111010012277. The reversal of 111010012231 is 132210010111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111010012231 - 2⁷ = 111010012103 is a prime.

It is a super-2 number, since 2×111010012231² (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 (111010012331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505006115 + 55505006116.

It is an arithmetic number, because the mean of its divisors is an integer number (55505006116).

Almost surely, 2^111010012231 is an apocalyptic number.

111010012231 is a deficient number, since it is larger than the sum of its proper divisors (1).

111010012231 is an equidigital number, since it uses as much as digits as its factorization.

111010012231 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 13.

Adding to 111010012231 its reverse (132210010111), we get a palindrome (243220022342).

The spelling of 111010012231 in words is "one hundred eleven billion, ten million, twelve thousand, two hundred thirty-one".