201211320319 has 2 divisors, whose sum is σ = 201211320320. Its totient is φ = 201211320318.

The previous prime is 201211320311. The next prime is 201211320347. The reversal of 201211320319 is 913023112102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201211320319 - 2³ = 201211320311 is a prime.

It is a super-2 number, since 2×201211320319² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201211320293 and 201211320302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201211320311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100605660159 + 100605660160.

It is an arithmetic number, because the mean of its divisors is an integer number (100605660160).

Almost surely, 2^201211320319 is an apocalyptic number.

201211320319 is a deficient number, since it is larger than the sum of its proper divisors (1).

201211320319 is an equidigital number, since it uses as much as digits as its factorization.

201211320319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 201211320319 in words is "two hundred one billion, two hundred eleven million, three hundred twenty thousand, three hundred nineteen".