22122200011211 has 4 divisors (see below), whose sum is σ = 22124391857232. Its totient is φ = 22120008165192.

The previous prime is 22122200011157. The next prime is 22122200011243. The reversal of 22122200011211 is 11211000222122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22122200011211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22122200011211.

It is not an unprimeable number, because it can be changed into a prime (22122200013211) 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, 1095907871 + ... + 1095928056.

It is an arithmetic number, because the mean of its divisors is an integer number (5531097964308).

Almost surely, 2^{22122200011211} is an apocalyptic number.

22122200011211 is a deficient number, since it is larger than the sum of its proper divisors (2191846021).

22122200011211 is a wasteful number, since it uses less digits than its factorization.

22122200011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191846020.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22122200011211 its reverse (11211000222122), we get a palindrome (33333200233333).

The spelling of 22122200011211 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred million, eleven thousand, two hundred eleven".