22012110221211 has 36 divisors (see below), whose sum is σ = 35275142140056. Its totient is φ = 13215993605760.

The previous prime is 22012110221209. The next prime is 22012110221249. The reversal of 22012110221211 is 11212201121022.

22012110221211 is a `hidden beast` number, since 2 + 20 + 1 + 211 + 0 + 221 + 211 = 666.

It is not a de Polignac number, because 22012110221211 - 2¹ = 22012110221209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22012118221211) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 94337406 + ... + 94570451.

It is an arithmetic number, because the mean of its divisors is an integer number (979865059446).

Almost surely, 2^{22012110221211} is an apocalyptic number.

22012110221211 is a deficient number, since it is larger than the sum of its proper divisors (13263031918845).

22012110221211 is a wasteful number, since it uses less digits than its factorization.

22012110221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188907992 (or 188907978 counting only the distinct ones).

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

Adding to 22012110221211 its reverse (11212201121022), we get a palindrome (33224311342233).

The spelling of 22012110221211 in words is "twenty-two trillion, twelve billion, one hundred ten million, two hundred twenty-one thousand, two hundred eleven".