111642246111 has 24 divisors (see below), whose sum is σ = 168041092912. Its totient is φ = 65833257600.

The previous prime is 111642246061. The next prime is 111642246119.

111642246111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 111642246111 - 2⁶ = 111642246047 is a prime.

It is a super-2 number, since 2×111642246111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111642246119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4142710 + ... + 4169571.

Almost surely, 2^111642246111 is an apocalyptic number.

111642246111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111642246111 is a deficient number, since it is larger than the sum of its proper divisors (56398846801).

111642246111 is a wasteful number, since it uses less digits than its factorization.

111642246111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8312343 (or 8312332 counting only the distinct ones).

The product of its digits is 2304, while the sum is 30.

It can be divided in two parts, 111642 and 246111, that added together give a palindrome (357753).

The spelling of 111642246111 in words is "one hundred eleven billion, six hundred forty-two million, two hundred forty-six thousand, one hundred eleven".