111144232133420 has 24 divisors (see below), whose sum is σ = 233489880842064. Its totient is φ = 44441122689216.

The previous prime is 111144232133381. The next prime is 111144232133477. The reversal of 111144232133420 is 24331232441111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035580259 + ... + 1035687578.

It is an arithmetic number, because the mean of its divisors is an integer number (9728745035086).

Almost surely, 2^{111144232133420} is an apocalyptic number.

111144232133420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111144232133420 is an abundant number, since it is smaller than the sum of its proper divisors (122345648708644).

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

111144232133420 is a wasteful number, since it uses less digits than its factorization.

111144232133420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071270529 (or 2071270527 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 111144232133420 its reverse (24331232441111), we get a palindrome (135475464574531).

The spelling of 111144232133420 in words is "one hundred eleven trillion, one hundred forty-four billion, two hundred thirty-two million, one hundred thirty-three thousand, four hundred twenty".