22201220012210 has 32 divisors (see below), whose sum is σ = 40026016522800. Its totient is φ = 8866312519680.

The previous prime is 22201220012207. The next prime is 22201220012249. The reversal of 22201220012210 is 1221002210222.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 19054438489321 + 3146781522889 = 4365139^2 + 1773917^2 .

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, 25635470 + ... + 26487350.

Almost surely, 2^{22201220012210} is an apocalyptic number.

22201220012210 is a deficient number, since it is larger than the sum of its proper divisors (17824796510590).

22201220012210 is a wasteful number, since it uses less digits than its factorization.

22201220012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856046.

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

Adding to 22201220012210 its reverse (1221002210222), we get a palindrome (23422222222432).

The spelling of 22201220012210 in words is "twenty-two trillion, two hundred one billion, two hundred twenty million, twelve thousand, two hundred ten".