22120212601 has 2 divisors, whose sum is σ = 22120212602. Its totient is φ = 22120212600.

The previous prime is 22120212577. The next prime is 22120212629. The reversal of 22120212601 is 10621202122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19789736976 + 2330475625 = 140676^2 + 48275^2 .

It is a cyclic number.

It is not a de Polignac number, because 22120212601 - 2²⁵ = 22086658169 is a prime.

It is not a weakly prime, because it can be changed into another prime (22120212691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060106300 + 11060106301.

It is an arithmetic number, because the mean of its divisors is an integer number (11060106301).

Almost surely, 2^22120212601 is an apocalyptic number.

It is an amenable number.

22120212601 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120212601 is an equidigital number, since it uses as much as digits as its factorization.

22120212601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22120212601 its reverse (10621202122), we get a palindrome (32741414723).

The spelling of 22120212601 in words is "twenty-two billion, one hundred twenty million, two hundred twelve thousand, six hundred one".