111434233020 has 48 divisors (see below), whose sum is σ = 340380931968. Its totient is φ = 27014359360.

The previous prime is 111434232991. The next prime is 111434233021. The reversal of 111434233020 is 20332434111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111434233021) 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, 84419214 + ... + 84420533.

It is an arithmetic number, because the mean of its divisors is an integer number (7091269416).

Almost surely, 2^111434233020 is an apocalyptic number.

111434233020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111434233020 is an abundant number, since it is smaller than the sum of its proper divisors (228946698948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111434233020 is a wasteful number, since it uses less digits than its factorization.

111434233020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168839770 (or 168839768 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 111434233020 its reverse (20332434111), we get a palindrome (131766667131).

The spelling of 111434233020 in words is "one hundred eleven billion, four hundred thirty-four million, two hundred thirty-three thousand, twenty".