2122221102222 has 32 divisors (see below), whose sum is σ = 4571066132640. Its totient is φ = 652972769280.

The previous prime is 2122221102179. The next prime is 2122221102233. The reversal of 2122221102222 is 2222011222212.

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, 2557054 + ... + 3283742.

It is an arithmetic number, because the mean of its divisors is an integer number (142845816645).

Almost surely, 2^{2122221102222} is an apocalyptic number.

2122221102222 is an abundant number, since it is smaller than the sum of its proper divisors (2448845030418).

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

2122221102222 is a wasteful number, since it uses less digits than its factorization.

2122221102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764148.

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

Adding to 2122221102222 its reverse (2222011222212), we get a palindrome (4344232324434).

The spelling of 2122221102222 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred two thousand, two hundred twenty-two".