1111110212231 has 16 divisors (see below), whose sum is σ = 1138879375200. Its totient is φ = 1083611937408.

The previous prime is 1111110212183. The next prime is 1111110212257. The reversal of 1111110212231 is 1322120111111.

It is a cyclic number.

It is not a de Polignac number, because 1111110212231 - 2³⁸ = 836232305287 is a prime.

It is a super-2 number, since 2×1111110212231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111110212431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6061025 + ... + 6241653.

It is an arithmetic number, because the mean of its divisors is an integer number (71179960950).

Almost surely, 2^{1111110212231} is an apocalyptic number.

1111110212231 is a deficient number, since it is larger than the sum of its proper divisors (27769162969).

1111110212231 is a wasteful number, since it uses less digits than its factorization.

1111110212231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181378.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 1111110212231 its reverse (1322120111111), we get a palindrome (2433230323342).

The spelling of 1111110212231 in words is "one trillion, one hundred eleven billion, one hundred ten million, two hundred twelve thousand, two hundred thirty-one".