2122010201281 has 2 divisors, whose sum is σ = 2122010201282. Its totient is φ = 2122010201280.

The previous prime is 2122010201243. The next prime is 2122010201317. The reversal of 2122010201281 is 1821020102212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2100206725681 + 21803475600 = 1449209^2 + 147660^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122010201281 - 2²⁷ = 2121875983553 is a prime.

It is a super-2 number, since 2×2122010201281² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2122010201581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061005100640 + 1061005100641.

It is an arithmetic number, because the mean of its divisors is an integer number (1061005100641).

Almost surely, 2^{2122010201281} is an apocalyptic number.

It is an amenable number.

2122010201281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122010201281 is an equidigital number, since it uses as much as digits as its factorization.

2122010201281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 2122010201281 its reverse (1821020102212), we get a palindrome (3943030303493).

The spelling of 2122010201281 in words is "two trillion, one hundred twenty-two billion, ten million, two hundred one thousand, two hundred eighty-one".