22021121210210 has 32 divisors (see below), whose sum is σ = 39949775819712. Its totient is φ = 8739199909440.

The previous prime is 22021121210197. The next prime is 22021121210251. The reversal of 22021121210210 is 1201212112022.

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, 3778589 + ... + 7636751.

It is an arithmetic number, because the mean of its divisors is an integer number (1248430494366).

Almost surely, 2^{22021121210210} is an apocalyptic number.

22021121210210 is a deficient number, since it is larger than the sum of its proper divisors (17928654609502).

22021121210210 is a wasteful number, since it uses less digits than its factorization.

22021121210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862658.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22021121210210 its reverse (1201212112022), we get a palindrome (23222333322232).

The spelling of 22021121210210 in words is "twenty-two trillion, twenty-one billion, one hundred twenty-one million, two hundred ten thousand, two hundred ten".