22012120211211 has 18 divisors (see below), whose sum is σ = 34429213666068. Its totient is φ = 13545920129040.

The previous prime is 22012120211183. The next prime is 22012120211261. The reversal of 22012120211211 is 11211202121022.

22012120211211 is a `hidden beast` number, since 2 + 201 + 21 + 20 + 211 + 211 = 666.

It is not a de Polignac number, because 22012120211211 - 2¹³ = 22012120203019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22012120211261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7236066925 + ... + 7236069966.

Almost surely, 2^{22012120211211} is an apocalyptic number.

22012120211211 is a deficient number, since it is larger than the sum of its proper divisors (12417093454857).

22012120211211 is a wasteful number, since it uses less digits than its factorization.

22012120211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14472136923 (or 14472136907 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22012120211211 its reverse (11211202121022), we get a palindrome (33223322332233).

The spelling of 22012120211211 in words is "twenty-two trillion, twelve billion, one hundred twenty million, two hundred eleven thousand, two hundred eleven".