201122001222031 has 2 divisors, whose sum is σ = 201122001222032. Its totient is φ = 201122001222030.

The previous prime is 201122001222017. The next prime is 201122001222101. The reversal of 201122001222031 is 130222100221102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201122001222031 - 2³⁷ = 200984562268559 is a prime.

It is a super-2 number, since 2×201122001222031² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201122001222431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100561000611015 + 100561000611016.

It is an arithmetic number, because the mean of its divisors is an integer number (100561000611016).

Almost surely, 2^{201122001222031} is an apocalyptic number.

201122001222031 is a deficient number, since it is larger than the sum of its proper divisors (1).

201122001222031 is an equidigital number, since it uses as much as digits as its factorization.

201122001222031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 201122001222031 its reverse (130222100221102), we get a palindrome (331344101443133).

The spelling of 201122001222031 in words is "two hundred one trillion, one hundred twenty-two billion, one million, two hundred twenty-two thousand, thirty-one".