1111210102231 has 2 divisors, whose sum is σ = 1111210102232. Its totient is φ = 1111210102230.

The previous prime is 1111210102217. The next prime is 1111210102241. The reversal of 1111210102231 is 1322010121111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111210102231 - 2⁷ = 1111210102103 is a prime.

It is a super-2 number, since 2×1111210102231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111210102201) by changing a digit.

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 as a sum of consecutive naturals, namely, 555605051115 + 555605051116.

It is an arithmetic number, because the mean of its divisors is an integer number (555605051116).

Almost surely, 2^{1111210102231} is an apocalyptic number.

1111210102231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111210102231 is an equidigital number, since it uses as much as digits as its factorization.

1111210102231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1111210102231 its reverse (1322010121111), we get a palindrome (2433220223342).

The spelling of 1111210102231 in words is "one trillion, one hundred eleven billion, two hundred ten million, one hundred two thousand, two hundred thirty-one".