222000012121201 has 2 divisors, whose sum is σ = 222000012121202. Its totient is φ = 222000012121200.

The previous prime is 222000012121067. The next prime is 222000012121241. The reversal of 222000012121201 is 102121210000222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197942360501601 + 24057651619600 = 14069199^2 + 4904860^2 .

It is a cyclic number.

It is not a de Polignac number, because 222000012121201 - 2³⁵ = 221965652382833 is a prime.

It is not a weakly prime, because it can be changed into another prime (222000012121241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111000006060600 + 111000006060601.

It is an arithmetic number, because the mean of its divisors is an integer number (111000006060601).

Almost surely, 2^{222000012121201} is an apocalyptic number.

It is an amenable number.

222000012121201 is a deficient number, since it is larger than the sum of its proper divisors (1).

222000012121201 is an equidigital number, since it uses as much as digits as its factorization.

222000012121201 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 16.

Adding to 222000012121201 its reverse (102121210000222), we get a palindrome (324121222121423).

The spelling of 222000012121201 in words is "two hundred twenty-two trillion, twelve million, one hundred twenty-one thousand, two hundred one".