222022212011 has 4 divisors (see below), whose sum is σ = 222196075632. Its totient is φ = 221848348392.

The previous prime is 222022211993. The next prime is 222022212017. The reversal of 222022212011 is 110212220222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222022212011 - 2²² = 222018017707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222022212017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86929895 + ... + 86932448.

It is an arithmetic number, because the mean of its divisors is an integer number (55549018908).

Almost surely, 2^222022212011 is an apocalyptic number.

222022212011 is a deficient number, since it is larger than the sum of its proper divisors (173863621).

222022212011 is a wasteful number, since it uses less digits than its factorization.

222022212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173863620.

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

Adding to 222022212011 its reverse (110212220222), we get a palindrome (332234432233).

The spelling of 222022212011 in words is "two hundred twenty-two billion, twenty-two million, two hundred twelve thousand, eleven".