110121011021020 has 96 divisors (see below), whose sum is σ = 234679885070400. Its totient is φ = 43400621021184.

The previous prime is 110121011021011. The next prime is 110121011021029. The reversal of 110121011021020 is 20120110121011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (110121011021011) and next prime (110121011021029).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110121011021029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 855849451 + ... + 855978109.

It is an arithmetic number, because the mean of its divisors is an integer number (2444582136150).

Almost surely, 2^{110121011021020} is an apocalyptic number.

110121011021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110121011021020 is an abundant number, since it is smaller than the sum of its proper divisors (124558874049380).

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

110121011021020 is a wasteful number, since it uses less digits than its factorization.

110121011021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130967 (or 130965 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 110121011021020 its reverse (20120110121011), we get a palindrome (130241121142031).

Subtracting from 110121011021020 its reverse (20120110121011), we obtain a palindrome (90000900900009).

The spelling of 110121011021020 in words is "one hundred ten trillion, one hundred twenty-one billion, eleven million, twenty-one thousand, twenty".