201021022093 has 2 divisors, whose sum is σ = 201021022094. Its totient is φ = 201021022092.

The previous prime is 201021022043. The next prime is 201021022109. The reversal of 201021022093 is 390220120102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107490868164 + 93530153929 = 327858^2 + 305827^2 .

It is a cyclic number.

It is not a de Polignac number, because 201021022093 - 2²⁹ = 200484151181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201021022043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510511046 + 100510511047.

It is an arithmetic number, because the mean of its divisors is an integer number (100510511047).

Almost surely, 2^201021022093 is an apocalyptic number.

It is an amenable number.

201021022093 is a deficient number, since it is larger than the sum of its proper divisors (1).

201021022093 is an equidigital number, since it uses as much as digits as its factorization.

201021022093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 201021022093 its reverse (390220120102), we get a palindrome (591241142195).

The spelling of 201021022093 in words is "two hundred one billion, twenty-one million, twenty-two thousand, ninety-three".