2021220122110 has 32 divisors (see below), whose sum is σ = 4301315732160. Its totient is φ = 669093556992.

The previous prime is 2021220122101. The next prime is 2021220122137. The reversal of 2021220122110 is 112210221202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497835439 + ... + 497839498.

It is an arithmetic number, because the mean of its divisors is an integer number (134416116630).

Almost surely, 2^{2021220122110} is an apocalyptic number.

2021220122110 is an abundant number, since it is smaller than the sum of its proper divisors (2280095610050).

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

2021220122110 is a wasteful number, since it uses less digits than its factorization.

2021220122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995674980.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2021220122110 its reverse (112210221202), we get a palindrome (2133430343312).

The spelling of 2021220122110 in words is "two trillion, twenty-one billion, two hundred twenty million, one hundred twenty-two thousand, one hundred ten".