2221002110212 has 6 divisors (see below), whose sum is σ = 3886753692878. Its totient is φ = 1110501055104.

The previous prime is 2221002110177. The next prime is 2221002110237. The reversal of 2221002110212 is 2120112001222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2182190746176 + 38811364036 = 1477224^2 + 197006^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277625263773 + ... + 277625263780.

Almost surely, 2^{2221002110212} is an apocalyptic number.

It is an amenable number.

2221002110212 is a deficient number, since it is larger than the sum of its proper divisors (1665751582666).

2221002110212 is a wasteful number, since it uses less digits than its factorization.

2221002110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555250527557 (or 555250527555 counting only the distinct ones).

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

Adding to 2221002110212 its reverse (2120112001222), we get a palindrome (4341114111434).

The spelling of 2221002110212 in words is "two trillion, two hundred twenty-one billion, two million, one hundred ten thousand, two hundred twelve".