2122982075761 has 4 divisors (see below), whose sum is σ = 2123481252852. Its totient is φ = 2122482898672.

The previous prime is 2122982075597. The next prime is 2122982075771. The reversal of 2122982075761 is 1675702892212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 524385981025 + 1598596094736 = 724145^2 + 1264356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122982075761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122982075699 and 2122982075708.

It is not an unprimeable number, because it can be changed into a prime (2122982075771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249582166 + ... + 249590671.

It is an arithmetic number, because the mean of its divisors is an integer number (530870313213).

Almost surely, 2^{2122982075761} is an apocalyptic number.

It is an amenable number.

2122982075761 is a deficient number, since it is larger than the sum of its proper divisors (499177091).

2122982075761 is an equidigital number, since it uses as much as digits as its factorization.

2122982075761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499177090.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 2122982075761 in words is "two trillion, one hundred twenty-two billion, nine hundred eighty-two million, seventy-five thousand, seven hundred sixty-one".