2110121211020 has 24 divisors (see below), whose sum is σ = 4584056425200. Its totient is φ = 814943364032.

The previous prime is 2110121211019. The next prime is 2110121211059. The reversal of 2110121211020 is 201121210112.

It is a super-2 number, since 2×2110121211020² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2110121210986 and 2110121211004.

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, 1819069430 + ... + 1819070589.

It is an arithmetic number, because the mean of its divisors is an integer number (191002351050).

Almost surely, 2^{2110121211020} is an apocalyptic number.

2110121211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2110121211020 is an abundant number, since it is smaller than the sum of its proper divisors (2473935214180).

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

2110121211020 is a wasteful number, since it uses less digits than its factorization.

2110121211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3638140057 (or 3638140055 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2110121211020 its reverse (201121210112), we get a palindrome (2311242421132).

The spelling of 2110121211020 in words is "two trillion, one hundred ten billion, one hundred twenty-one million, two hundred eleven thousand, twenty".