202003122311 has 2 divisors, whose sum is σ = 202003122312. Its totient is φ = 202003122310.

The previous prime is 202003122271. The next prime is 202003122313. The reversal of 202003122311 is 113221300202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202003122311 - 2²² = 201998928007 is a prime.

It is a super-2 number, since 2×202003122311² (a number of 23 digits) contains 22 as substring.

Together with 202003122313, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202003122311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202003122313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101001561155 + 101001561156.

It is an arithmetic number, because the mean of its divisors is an integer number (101001561156).

Almost surely, 2^202003122311 is an apocalyptic number.

202003122311 is a deficient number, since it is larger than the sum of its proper divisors (1).

202003122311 is an equidigital number, since it uses as much as digits as its factorization.

202003122311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 202003122311 its reverse (113221300202), we get a palindrome (315224422513).

The spelling of 202003122311 in words is "two hundred two billion, three million, one hundred twenty-two thousand, three hundred eleven".