201222321233 has 2 divisors, whose sum is σ = 201222321234. Its totient is φ = 201222321232.

The previous prime is 201222321221. The next prime is 201222321239. The reversal of 201222321233 is 332123222102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190709510209 + 10512811024 = 436703^2 + 102532^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201222321233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201222321199 and 201222321208.

It is not a weakly prime, because it can be changed into another prime (201222321239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100611160616 + 100611160617.

It is an arithmetic number, because the mean of its divisors is an integer number (100611160617).

Almost surely, 2^201222321233 is an apocalyptic number.

It is an amenable number.

201222321233 is a deficient number, since it is larger than the sum of its proper divisors (1).

201222321233 is an equidigital number, since it uses as much as digits as its factorization.

201222321233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 201222321233 its reverse (332123222102), we get a palindrome (533345543335).

The spelling of 201222321233 in words is "two hundred one billion, two hundred twenty-two million, three hundred twenty-one thousand, two hundred thirty-three".