22102221211211 has 16 divisors (see below), whose sum is σ = 24157509212160. Its totient is φ = 20130853069440.

The previous prime is 22102221211201. The next prime is 22102221211351. The reversal of 22102221211211 is 11211212220122.

It is a cyclic number.

It is not a de Polignac number, because 22102221211211 - 2³⁴ = 22085041342027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22102221211201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84741560 + ... + 85001978.

It is an arithmetic number, because the mean of its divisors is an integer number (1509844325760).

Almost surely, 2^{22102221211211} is an apocalyptic number.

22102221211211 is a deficient number, since it is larger than the sum of its proper divisors (2055288000949).

22102221211211 is a wasteful number, since it uses less digits than its factorization.

22102221211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421514.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22102221211211 its reverse (11211212220122), we get a palindrome (33313433431333).

The spelling of 22102221211211 in words is "twenty-two trillion, one hundred two billion, two hundred twenty-one million, two hundred eleven thousand, two hundred eleven".