2122221323210 has 16 divisors (see below), whose sum is σ = 3822474105216. Its totient is φ = 848338368528.

The previous prime is 2122221323177. The next prime is 2122221323213. The reversal of 2122221323210 is 123231222212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2122221323213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68753894 + ... + 68784753.

It is an arithmetic number, because the mean of its divisors is an integer number (238904631576).

Almost surely, 2^{2122221323210} is an apocalyptic number.

2122221323210 is a deficient number, since it is larger than the sum of its proper divisors (1700252782006).

2122221323210 is a wasteful number, since it uses less digits than its factorization.

2122221323210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137540197.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2122221323210 its reverse (123231222212), we get a palindrome (2245452545422).

The spelling of 2122221323210 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-one million, three hundred twenty-three thousand, two hundred ten".