201222213013 has 2 divisors, whose sum is σ = 201222213014. Its totient is φ = 201222213012.

The previous prime is 201222212981. The next prime is 201222213019. The reversal of 201222213013 is 310312222102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172438376049 + 28783836964 = 415257^2 + 169658^2 .

It is a cyclic number.

It is not a de Polignac number, because 201222213013 - 2⁵ = 201222212981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201222213019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100611106506 + 100611106507.

It is an arithmetic number, because the mean of its divisors is an integer number (100611106507).

Almost surely, 2^201222213013 is an apocalyptic number.

It is an amenable number.

201222213013 is a deficient number, since it is larger than the sum of its proper divisors (1).

201222213013 is an equidigital number, since it uses as much as digits as its factorization.

201222213013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 201222213013 its reverse (310312222102), we get a palindrome (511534435115).

The spelling of 201222213013 in words is "two hundred one billion, two hundred twenty-two million, two hundred thirteen thousand, thirteen".