220211122122210 has 32 divisors (see below), whose sum is σ = 528863069931840. Its totient is φ = 58683368472768.

The previous prime is 220211122122169. The next prime is 220211122122247. The reversal of 220211122122210 is 12221221112022.

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, 2474793925 + ... + 2474882904.

It is an arithmetic number, because the mean of its divisors is an integer number (16526970935370).

Almost surely, 2^{220211122122210} is an apocalyptic number.

220211122122210 is an abundant number, since it is smaller than the sum of its proper divisors (308651947809630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220211122122210 is a wasteful number, since it uses less digits than its factorization.

220211122122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949678322.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 220211122122210 its reverse (12221221112022), we get a palindrome (232432343234232).

The spelling of 220211122122210 in words is "two hundred twenty trillion, two hundred eleven billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred ten".