2021024224091 has 2 divisors, whose sum is σ = 2021024224092. Its totient is φ = 2021024224090.

The previous prime is 2021024224081. The next prime is 2021024224183. The reversal of 2021024224091 is 1904224201202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2021024224091 - 2³⁰ = 2019950482267 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021024224081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010512112045 + 1010512112046.

It is an arithmetic number, because the mean of its divisors is an integer number (1010512112046).

Almost surely, 2^{2021024224091} is an apocalyptic number.

2021024224091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021024224091 is an equidigital number, since it uses as much as digits as its factorization.

2021024224091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 2021024224091 its reverse (1904224201202), we get a palindrome (3925248425293).

The spelling of 2021024224091 in words is "two trillion, twenty-one billion, twenty-four million, two hundred twenty-four thousand, ninety-one".