22102111201 has 2 divisors, whose sum is σ = 22102111202. Its totient is φ = 22102111200.

The previous prime is 22102111181. The next prime is 22102111253. The reversal of 22102111201 is 10211120122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12727224225 + 9374886976 = 112815^2 + 96824^2 .

It is a cyclic number.

It is not a de Polignac number, because 22102111201 - 2⁵ = 22102111169 is a prime.

It is not a weakly prime, because it can be changed into another prime (22102111271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051055600 + 11051055601.

It is an arithmetic number, because the mean of its divisors is an integer number (11051055601).

Almost surely, 2^22102111201 is an apocalyptic number.

It is an amenable number.

22102111201 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102111201 is an equidigital number, since it uses as much as digits as its factorization.

22102111201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22102111201 its reverse (10211120122), we get a palindrome (32313231323).

It can be divided in two parts, 22 and 102111201, that multiplied together give a palindrome (2246446422).

The spelling of 22102111201 in words is "twenty-two billion, one hundred two million, one hundred eleven thousand, two hundred one".