220201211222 has 16 divisors (see below), whose sum is σ = 332955900000. Its totient is φ = 109217855040.

The previous prime is 220201211213. The next prime is 220201211239. The reversal of 220201211222 is 222112102022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 220201211222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258722 + ... + 712277.

It is an arithmetic number, because the mean of its divisors is an integer number (20809743750).

Almost surely, 2^220201211222 is an apocalyptic number.

220201211222 is a deficient number, since it is larger than the sum of its proper divisors (112754688778).

220201211222 is a wasteful number, since it uses less digits than its factorization.

220201211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971911.

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

Adding to 220201211222 its reverse (222112102022), we get a palindrome (442313313244).

The spelling of 220201211222 in words is "two hundred twenty billion, two hundred one million, two hundred eleven thousand, two hundred twenty-two".