2021110022120 has 64 divisors (see below), whose sum is σ = 5201497278720. Its totient is φ = 692371044864.

The previous prime is 2021110022117. The next prime is 2021110022123. The reversal of 2021110022120 is 212200111202.

It is an interprime number because it is at equal distance from previous prime (2021110022117) and next prime (2021110022123).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2021110022095 and 2021110022104.

It is not an unprimeable number, because it can be changed into a prime (2021110022123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2691212 + ... + 3359291.

It is an arithmetic number, because the mean of its divisors is an integer number (81273394980).

Almost surely, 2^{2021110022120} is an apocalyptic number.

2021110022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021110022120 is an abundant number, since it is smaller than the sum of its proper divisors (3180387256600).

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

2021110022120 is a wasteful number, since it uses less digits than its factorization.

2021110022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6051714 (or 6051710 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2021110022120 its reverse (212200111202), we get a palindrome (2233310133322).

The spelling of 2021110022120 in words is "two trillion, twenty-one billion, one hundred ten million, twenty-two thousand, one hundred twenty".