22012120211 has 8 divisors (see below), whose sum is σ = 22057319424. Its totient is φ = 21966948360.

The previous prime is 22012120133. The next prime is 22012120223. The reversal of 22012120211 is 11202121022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22012120211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22012120231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2479166 + ... + 2488028.

It is an arithmetic number, because the mean of its divisors is an integer number (2757164928).

Almost surely, 2^22012120211 is an apocalyptic number.

22012120211 is a deficient number, since it is larger than the sum of its proper divisors (45199213).

22012120211 is an equidigital number, since it uses as much as digits as its factorization.

22012120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13681.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22012120211 its reverse (11202121022), we get a palindrome (33214241233).

The spelling of 22012120211 in words is "twenty-two billion, twelve million, one hundred twenty thousand, two hundred eleven".