2021022212093 has 2 divisors, whose sum is σ = 2021022212094. Its totient is φ = 2021022212092.

The previous prime is 2021022212029. The next prime is 2021022212173. The reversal of 2021022212093 is 3902122201202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1459162529764 + 561859682329 = 1207958^2 + 749573^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021022212093 - 2⁶ = 2021022212029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021022212893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010511106046 + 1010511106047.

It is an arithmetic number, because the mean of its divisors is an integer number (1010511106047).

Almost surely, 2^{2021022212093} is an apocalyptic number.

It is an amenable number.

2021022212093 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021022212093 is an equidigital number, since it uses as much as digits as its factorization.

2021022212093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 2021022212093 its reverse (3902122201202), we get a palindrome (5923144413295).

The spelling of 2021022212093 in words is "two trillion, twenty-one billion, twenty-two million, two hundred twelve thousand, ninety-three".