22120022201 has 2 divisors, whose sum is σ = 22120022202. Its totient is φ = 22120022200.

The previous prime is 22120022179. The next prime is 22120022233. The reversal of 22120022201 is 10222002122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18830426176 + 3289596025 = 137224^2 + 57355^2 .

It is a cyclic number.

It is not a de Polignac number, because 22120022201 - 2⁶ = 22120022137 is a prime.

It is not a weakly prime, because it can be changed into another prime (22120022251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060011100 + 11060011101.

It is an arithmetic number, because the mean of its divisors is an integer number (11060011101).

Almost surely, 2^22120022201 is an apocalyptic number.

It is an amenable number.

22120022201 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120022201 is an equidigital number, since it uses as much as digits as its factorization.

22120022201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22120022201 its reverse (10222002122), we get a palindrome (32342024323).

The spelling of 22120022201 in words is "twenty-two billion, one hundred twenty million, twenty-two thousand, two hundred one".