20221012222011 has 16 divisors (see below), whose sum is σ = 29957238835200. Its totient is φ = 13480592153544.

The previous prime is 20221012221973. The next prime is 20221012222039. The reversal of 20221012222011 is 11022221012202.

It is a happy number.

20221012222011 is a `hidden beast` number, since 20 + 221 + 0 + 1 + 222 + 201 + 1 = 666.

It is not a de Polignac number, because 20221012222011 - 2³⁴ = 20203832352827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20221012202011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2360350 + ... + 6783308.

It is an arithmetic number, because the mean of its divisors is an integer number (1872327427200).

Almost surely, 2^{20221012222011} is an apocalyptic number.

20221012222011 is a deficient number, since it is larger than the sum of its proper divisors (9736226613189).

20221012222011 is a wasteful number, since it uses less digits than its factorization.

20221012222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4592295 (or 4592289 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20221012222011 its reverse (11022221012202), we get a palindrome (31243233234213).

The spelling of 20221012222011 in words is "twenty trillion, two hundred twenty-one billion, twelve million, two hundred twenty-two thousand, eleven".