201220220211222 has 32 divisors (see below), whose sum is σ = 406170857664000. Its totient is φ = 66451786600608.

The previous prime is 201220220211211. The next prime is 201220220211319. The reversal of 201220220211222 is 222112022022102.

201220220211222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 7566472 + ... + 21440427.

It is an arithmetic number, because the mean of its divisors is an integer number (12692839302000).

Almost surely, 2^{201220220211222} is an apocalyptic number.

201220220211222 is an abundant number, since it is smaller than the sum of its proper divisors (204950637452778).

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

201220220211222 is a wasteful number, since it uses less digits than its factorization.

201220220211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29017620.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 201220220211222 its reverse (222112022022102), we get a palindrome (423332242233324).

The spelling of 201220220211222 in words is "two hundred one trillion, two hundred twenty billion, two hundred twenty million, two hundred eleven thousand, two hundred twenty-two".