111331144342 has 12 divisors (see below), whose sum is σ = 183558374748. Its totient is φ = 50605065500.

The previous prime is 111331144319. The next prime is 111331144343. The reversal of 111331144342 is 243441133111.

It is a super-2 number, since 2×111331144342² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111331144342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111331144343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 230022784 + ... + 230023267.

It is an arithmetic number, because the mean of its divisors is an integer number (15296531229).

Almost surely, 2^111331144342 is an apocalyptic number.

111331144342 is a deficient number, since it is larger than the sum of its proper divisors (72227230406).

111331144342 is a wasteful number, since it uses less digits than its factorization.

111331144342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460046075 (or 460046064 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

Adding to 111331144342 its reverse (243441133111), we get a palindrome (354772277453).

The spelling of 111331144342 in words is "one hundred eleven billion, three hundred thirty-one million, one hundred forty-four thousand, three hundred forty-two".