110831145220000 has 240 divisors, whose sum is σ = 277280366561352. Its totient is φ = 43582210560000.

The previous prime is 110831145219983. The next prime is 110831145220009. The reversal of 110831145220000 is 22541138011.

It can be written as a sum of positive squares in 20 ways, for example, as 68138355123216 + 42692790096784 = 8254596^2 + 6533972^2 .

It is not an unprimeable number, because it can be changed into a prime (110831145220009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2358236502 + ... + 2358283498.

Almost surely, 2^{110831145220000} is an apocalyptic number.

110831145220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110831145220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138640183280676).

110831145220000 is an abundant number, since it is smaller than the sum of its proper divisors (166449221341352).

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

110831145220000 is an equidigital number, since it uses as much as digits as its factorization.

110831145220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49021 (or 48998 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

Adding to 110831145220000 its reverse (22541138011), we get a palindrome (110853686358011).

The spelling of 110831145220000 in words is "one hundred ten trillion, eight hundred thirty-one billion, one hundred forty-five million, two hundred twenty thousand".