22121220002210 has 64 divisors (see below), whose sum is σ = 45982057549824. Its totient is φ = 7505542296000.

The previous prime is 22121220002149. The next prime is 22121220002239. The reversal of 22121220002210 is 1220002212122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1198856 + ... + 6758675.

It is an arithmetic number, because the mean of its divisors is an integer number (718469649216).

Almost surely, 2^{22121220002210} is an apocalyptic number.

22121220002210 is an abundant number, since it is smaller than the sum of its proper divisors (23860837547614).

22121220002210 is a wasteful number, since it uses less digits than its factorization.

22121220002210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7957959.

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

Adding to 22121220002210 its reverse (1220002212122), we get a palindrome (23341222214332).

The spelling of 22121220002210 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred twenty million, two thousand, two hundred ten".