2221002221210 has 32 divisors (see below), whose sum is σ = 4136641833600. Its totient is φ = 857562592320.

The previous prime is 2221002221201. The next prime is 2221002221261. The reversal of 2221002221210 is 121222001222.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315875 + ... + 2131145.

It is an arithmetic number, because the mean of its divisors is an integer number (129270057300).

Almost surely, 2^{2221002221210} is an apocalyptic number.

2221002221210 is a deficient number, since it is larger than the sum of its proper divisors (1915639612390).

2221002221210 is a wasteful number, since it uses less digits than its factorization.

2221002221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819526.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2221002221210 its reverse (121222001222), we get a palindrome (2342224222432).

The spelling of 2221002221210 in words is "two trillion, two hundred twenty-one billion, two million, two hundred twenty-one thousand, two hundred ten".