2221112020210 has 8 divisors (see below), whose sum is σ = 3998001636396. Its totient is φ = 888444808080.

The previous prime is 2221112020181. The next prime is 2221112020229. The reversal of 2221112020210 is 120202111222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2210458271121 + 10653749089 = 1486761^2 + 103217^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111055601001 + ... + 111055601020.

Almost surely, 2^{2221112020210} is an apocalyptic number.

2221112020210 is a deficient number, since it is larger than the sum of its proper divisors (1776889616186).

2221112020210 is a wasteful number, since it uses less digits than its factorization.

2221112020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222111202028.

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

Adding to 2221112020210 its reverse (120202111222), we get a palindrome (2341314131432).

The spelling of 2221112020210 in words is "two trillion, two hundred twenty-one billion, one hundred twelve million, twenty thousand, two hundred ten".