2211201220222 has 16 divisors (see below), whose sum is σ = 3319683840000. Its totient is φ = 1104640063488.

The previous prime is 2211201220219. The next prime is 2211201220223. The reversal of 2211201220222 is 2220221021122.

It is a super-2 number, since 2×2211201220222² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2211201220222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211201220223) 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, 62574723 + ... + 62610049.

It is an arithmetic number, because the mean of its divisors is an integer number (207480240000).

Almost surely, 2^{2211201220222} is an apocalyptic number.

2211201220222 is a deficient number, since it is larger than the sum of its proper divisors (1108482619778).

2211201220222 is a wasteful number, since it uses less digits than its factorization.

2211201220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61635.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2211201220222 its reverse (2220221021122), we get a palindrome (4431422241344).

The spelling of 2211201220222 in words is "two trillion, two hundred eleven billion, two hundred one million, two hundred twenty thousand, two hundred twenty-two".