2221120021010 has 48 divisors (see below), whose sum is σ = 4399667373528. Its totient is φ = 806732762880.

The previous prime is 2221120021007. The next prime is 2221120021033. The reversal of 2221120021010 is 101200211222.

It can be written as a sum of positive squares in 4 ways, for example, as 1775164516609 + 445955504401 = 1332353^2 + 667799^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43859 + ... + 2108118.

Almost surely, 2^{2221120021010} is an apocalyptic number.

2221120021010 is a deficient number, since it is larger than the sum of its proper divisors (2178547352518).

2221120021010 is a wasteful number, since it uses less digits than its factorization.

2221120021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152859 (or 2152848 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2221120021010 its reverse (101200211222), we get a palindrome (2322320232232).

The spelling of 2221120021010 in words is "two trillion, two hundred twenty-one billion, one hundred twenty million, twenty-one thousand, ten".