202045027091 has 2 divisors, whose sum is σ = 202045027092. Its totient is φ = 202045027090.

The previous prime is 202045027033. The next prime is 202045027111. The reversal of 202045027091 is 190720540202.

202045027091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202045027091 is a prime.

It is not a weakly prime, because it can be changed into another prime (202045027291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101022513545 + 101022513546.

It is an arithmetic number, because the mean of its divisors is an integer number (101022513546).

Almost surely, 2^202045027091 is an apocalyptic number.

202045027091 is a deficient number, since it is larger than the sum of its proper divisors (1).

202045027091 is an equidigital number, since it uses as much as digits as its factorization.

202045027091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 202045027091 its reverse (190720540202), we get a palindrome (392765567293).

The spelling of 202045027091 in words is "two hundred two billion, forty-five million, twenty-seven thousand, ninety-one".