20221211022111 has 48 divisors (see below), whose sum is σ = 32367364673280. Its totient is φ = 12061889832960.

The previous prime is 20221211022079. The next prime is 20221211022119. The reversal of 20221211022111 is 11122011212202.

20221211022111 is a `hidden beast` number, since 2 + 0 + 221 + 211 + 0 + 221 + 11 = 666.

It is not a de Polignac number, because 20221211022111 - 2⁵ = 20221211022079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221211022119) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6325830 + ... + 8969868.

It is an arithmetic number, because the mean of its divisors is an integer number (674320097360).

Almost surely, 2^{20221211022111} is an apocalyptic number.

20221211022111 is a deficient number, since it is larger than the sum of its proper divisors (12146153651169).

20221211022111 is a wasteful number, since it uses less digits than its factorization.

20221211022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645276 (or 2645273 counting only the distinct ones).

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

Adding to 20221211022111 its reverse (11122011212202), we get a palindrome (31343222234313).

The spelling of 20221211022111 in words is "twenty trillion, two hundred twenty-one billion, two hundred eleven million, twenty-two thousand, one hundred eleven".