1222210207201 has 2 divisors, whose sum is σ = 1222210207202. Its totient is φ = 1222210207200.

The previous prime is 1222210207193. The next prime is 1222210207217. The reversal of 1222210207201 is 1027020122221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1170237150625 + 51973056576 = 1081775^2 + 227976^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222210207201 - 2³ = 1222210207193 is a prime.

It is a super-2 number, since 2×1222210207201² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1222210207301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611105103600 + 611105103601.

It is an arithmetic number, because the mean of its divisors is an integer number (611105103601).

Almost surely, 2^{1222210207201} is an apocalyptic number.

It is an amenable number.

1222210207201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222210207201 is an equidigital number, since it uses as much as digits as its factorization.

1222210207201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 1222210207201 its reverse (1027020122221), we get a palindrome (2249230329422).

The spelling of 1222210207201 in words is "one trillion, two hundred twenty-two billion, two hundred ten million, two hundred seven thousand, two hundred one".