22212020121011 has 16 divisors (see below), whose sum is σ = 26879654888640. Its totient is φ = 17918111278080.

The previous prime is 22212020120993. The next prime is 22212020121013. The reversal of 22212020121011 is 11012102021222.

It is a cyclic number.

It is not a de Polignac number, because 22212020121011 - 2³⁴ = 22194840251827 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (22212020121013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1730906 + ... + 6886223.

It is an arithmetic number, because the mean of its divisors is an integer number (1679978430540).

Almost surely, 2^{22212020121011} is an apocalyptic number.

22212020121011 is a deficient number, since it is larger than the sum of its proper divisors (4667634767629).

22212020121011 is a wasteful number, since it uses less digits than its factorization.

22212020121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8638814.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22212020121011 its reverse (11012102021222), we get a palindrome (33224122142233).

The spelling of 22212020121011 in words is "twenty-two trillion, two hundred twelve billion, twenty million, one hundred twenty-one thousand, eleven".