2122133021 has 2 divisors, whose sum is σ = 2122133022. Its totient is φ = 2122133020.

The previous prime is 2122132951. The next prime is 2122133051. The reversal of 2122133021 is 1203312212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1917213796 + 204919225 = 43786^2 + 14315^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122133021 - 2¹⁴ = 2122116637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122133051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061066510 + 1061066511.

It is an arithmetic number, because the mean of its divisors is an integer number (1061066511).

Almost surely, 2^2122133021 is an apocalyptic number.

It is an amenable number.

2122133021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122133021 is an equidigital number, since it uses as much as digits as its factorization.

2122133021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2122133021 is about 46066.6150373565. The cubic root of 2122133021 is about 1285.0623539113.

Adding to 2122133021 its reverse (1203312212), we get a palindrome (3325445233).

The spelling of 2122133021 in words is "two billion, one hundred twenty-two million, one hundred thirty-three thousand, twenty-one".