201122121111983 has 2 divisors, whose sum is σ = 201122121111984. Its totient is φ = 201122121111982.

The previous prime is 201122121111931. The next prime is 201122121112001. The reversal of 201122121111983 is 389111121221102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201122121111983 - 2³² = 201117826144687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201122121141983) 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, 100561060555991 + 100561060555992.

It is an arithmetic number, because the mean of its divisors is an integer number (100561060555992).

Almost surely, 2^{201122121111983} is an apocalyptic number.

201122121111983 is a deficient number, since it is larger than the sum of its proper divisors (1).

201122121111983 is an equidigital number, since it uses as much as digits as its factorization.

201122121111983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 35.

The spelling of 201122121111983 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred eleven thousand, nine hundred eighty-three".