201122021323 has 2 divisors, whose sum is σ = 201122021324. Its totient is φ = 201122021322.

The previous prime is 201122021297. The next prime is 201122021339. The reversal of 201122021323 is 323120221102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201122021323 - 2⁵ = 201122021291 is a prime.

It is a super-2 number, since 2×201122021323² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201122021323.

It is not a weakly prime, because it can be changed into another prime (201122021623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100561010661 + 100561010662.

It is an arithmetic number, because the mean of its divisors is an integer number (100561010662).

Almost surely, 2^201122021323 is an apocalyptic number.

201122021323 is a deficient number, since it is larger than the sum of its proper divisors (1).

201122021323 is an equidigital number, since it uses as much as digits as its factorization.

201122021323 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 201122021323 its reverse (323120221102), we get a palindrome (524242242425).

The spelling of 201122021323 in words is "two hundred one billion, one hundred twenty-two million, twenty-one thousand, three hundred twenty-three".