222122120011 has 32 divisors (see below), whose sum is σ = 249649860096. Its totient is φ = 195937920000.

The previous prime is 222122120009. The next prime is 222122120023. The reversal of 222122120011 is 110021221222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 222122120011 - 2¹ = 222122120009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222122124011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11089996 + ... + 11110006.

It is an arithmetic number, because the mean of its divisors is an integer number (7801558128).

Almost surely, 2^222122120011 is an apocalyptic number.

222122120011 is a deficient number, since it is larger than the sum of its proper divisors (27527740085).

222122120011 is a wasteful number, since it uses less digits than its factorization.

222122120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20323.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222122120011 its reverse (110021221222), we get a palindrome (332143341233).

The spelling of 222122120011 in words is "two hundred twenty-two billion, one hundred twenty-two million, one hundred twenty thousand, eleven".