2021222121110 has 32 divisors (see below), whose sum is σ = 3640233139200. Its totient is φ = 808037151840.

The previous prime is 2021222121097. The next prime is 2021222121173. The reversal of 2021222121110 is 111212221202.

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, 222327665 + ... + 222336755.

It is an arithmetic number, because the mean of its divisors is an integer number (113757285600).

Almost surely, 2^{2021222121110} is an apocalyptic number.

2021222121110 is a deficient number, since it is larger than the sum of its proper divisors (1619011018090).

2021222121110 is a wasteful number, since it uses less digits than its factorization.

2021222121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19076.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2021222121110 its reverse (111212221202), we get a palindrome (2132434342312).

It can be divided in two parts, 202122 and 2121110, that added together give a palindrome (2323232).

The spelling of 2021222121110 in words is "two trillion, twenty-one billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred ten".