1222122110201 has 2 divisors, whose sum is σ = 1222122110202. Its totient is φ = 1222122110200.

The previous prime is 1222122110197. The next prime is 1222122110207. The reversal of 1222122110201 is 1020112212221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 759346674025 + 462775436176 = 871405^2 + 680276^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222122110201 - 2² = 1222122110197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222122110201.

It is not a weakly prime, because it can be changed into another prime (1222122110207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611061055100 + 611061055101.

It is an arithmetic number, because the mean of its divisors is an integer number (611061055101).

Almost surely, 2^{1222122110201} is an apocalyptic number.

It is an amenable number.

1222122110201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222122110201 is an equidigital number, since it uses as much as digits as its factorization.

1222122110201 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 17.

Adding to 1222122110201 its reverse (1020112212221), we get a palindrome (2242234322422).

The spelling of 1222122110201 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred ten thousand, two hundred one".