22212022221101 has 16 divisors (see below), whose sum is σ = 22385056733424. Its totient is φ = 22039636598784.

The previous prime is 22212022221079. The next prime is 22212022221119. The reversal of 22212022221101 is 10112222021222.

It can be written as a sum of positive squares in 8 ways, for example, as 211241352100 + 22000780869001 = 459610^2 + 4690499^2 .

It is a cyclic number.

It is not a de Polignac number, because 22212022221101 - 2³⁴ = 22194842351917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212022221001) 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, 224548085 + ... + 224646981.

It is an arithmetic number, because the mean of its divisors is an integer number (1399066045839).

Almost surely, 2^{22212022221101} is an apocalyptic number.

It is an amenable number.

22212022221101 is a deficient number, since it is larger than the sum of its proper divisors (173034512323).

22212022221101 is a wasteful number, since it uses less digits than its factorization.

22212022221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102160.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22212022221101 its reverse (10112222021222), we get a palindrome (32324244242323).

The spelling of 22212022221101 in words is "twenty-two trillion, two hundred twelve billion, twenty-two million, two hundred twenty-one thousand, one hundred one".