1111102212231 has 36 divisors (see below), whose sum is σ = 1764243216736. Its totient is φ = 673337396160.

The previous prime is 1111102212211. The next prime is 1111102212289. The reversal of 1111102212231 is 1322122011111.

It is a happy number.

1111102212231 is a `hidden beast` number, since 111 + 110 + 2 + 212 + 231 = 666.

It is not a de Polignac number, because 1111102212231 - 2⁶ = 1111102212167 is a prime.

It is a super-2 number, since 2×1111102212231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111102212211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14998875 + ... + 15072771.

Almost surely, 2^{1111102212231} is an apocalyptic number.

1111102212231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1111102212231 is a deficient number, since it is larger than the sum of its proper divisors (653141004505).

1111102212231 is a wasteful number, since it uses less digits than its factorization.

1111102212231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87732 (or 87718 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 1111102212231 its reverse (1322122011111), we get a palindrome (2433224223342).

The spelling of 1111102212231 in words is "one trillion, one hundred eleven billion, one hundred two million, two hundred twelve thousand, two hundred thirty-one".