110122111220020 has 24 divisors (see below), whose sum is σ = 231256723819464. Its totient is φ = 44048789200896.

The previous prime is 110122111220003. The next prime is 110122111220021. The reversal of 110122111220020 is 20022111221011.

It can be written as a sum of positive squares in 4 ways, for example, as 6483969620496 + 103638141599524 = 2546364^2 + 10180282^2 .

It is a junction number, because it is equal to n+sod(n) for n = 110122111219976 and 110122111220003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110122111220021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15382272 + ... + 21374248.

It is an arithmetic number, because the mean of its divisors is an integer number (9635696825811).

Almost surely, 2^{110122111220020} is an apocalyptic number.

110122111220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110122111220020 is an abundant number, since it is smaller than the sum of its proper divisors (121134612599444).

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

110122111220020 is a wasteful number, since it uses less digits than its factorization.

110122111220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6910899 (or 6910897 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 110122111220020 its reverse (20022111221011), we get a palindrome (130144222441031).

Subtracting from 110122111220020 its reverse (20022111221011), we obtain a palindrome (90099999999009).

The spelling of 110122111220020 in words is "one hundred ten trillion, one hundred twenty-two billion, one hundred eleven million, two hundred twenty thousand, twenty".