111122143010320 has 80 divisors (see below), whose sum is σ = 278493027024240. Its totient is φ = 40991332534272.

The previous prime is 111122143010161. The next prime is 111122143010341. The reversal of 111122143010320 is 23010341221111.

It can be written as a sum of positive squares in 8 ways, for example, as 428092786944 + 110694050223376 = 654288^2 + 10521124^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 111122143010291 and 111122143010300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48864019 + ... + 51087538.

It is an arithmetic number, because the mean of its divisors is an integer number (3481162837803).

Almost surely, 2^{111122143010320} is an apocalyptic number.

111122143010320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111122143010320 is an abundant number, since it is smaller than the sum of its proper divisors (167370884013920).

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

111122143010320 is a wasteful number, since it uses less digits than its factorization.

111122143010320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99952652 (or 99952646 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 111122143010320 its reverse (23010341221111), we get a palindrome (134132484231431).

The spelling of 111122143010320 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred forty-three million, ten thousand, three hundred twenty".