2211001022222 has 16 divisors (see below), whose sum is σ = 3335306336640. Its totient is φ = 1099233269112.

The previous prime is 2211001022213. The next prime is 2211001022257. The reversal of 2211001022222 is 2222201001122.

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 2211001022222.

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, 4168613 + ... + 4668975.

It is an arithmetic number, because the mean of its divisors is an integer number (208456646040).

Almost surely, 2^{2211001022222} is an apocalyptic number.

2211001022222 is a deficient number, since it is larger than the sum of its proper divisors (1124305314418).

2211001022222 is a wasteful number, since it uses less digits than its factorization.

2211001022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512887.

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

Adding to 2211001022222 its reverse (2222201001122), we get a palindrome (4433202023344).

The spelling of 2211001022222 in words is "two trillion, two hundred eleven billion, one million, twenty-two thousand, two hundred twenty-two".