2140432422281 has 2 divisors, whose sum is σ = 2140432422282. Its totient is φ = 2140432422280.

The previous prime is 2140432422223. The next prime is 2140432422287. The reversal of 2140432422281 is 1822242340412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2101804057600 + 38628364681 = 1449760^2 + 196541^2 .

It is a cyclic number.

It is not a de Polignac number, because 2140432422281 - 2⁶ = 2140432422217 is a prime.

It is a super-2 number, since 2×2140432422281² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2140432422287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070216211140 + 1070216211141.

It is an arithmetic number, because the mean of its divisors is an integer number (1070216211141).

Almost surely, 2^{2140432422281} is an apocalyptic number.

It is an amenable number.

2140432422281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140432422281 is an equidigital number, since it uses as much as digits as its factorization.

2140432422281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49152, while the sum is 35.

Adding to 2140432422281 its reverse (1822242340412), we get a palindrome (3962674762693).

The spelling of 2140432422281 in words is "two trillion, one hundred forty billion, four hundred thirty-two million, four hundred twenty-two thousand, two hundred eighty-one".