2122256600641 has 4 divisors (see below), whose sum is σ = 2123642791984. Its totient is φ = 2120870409300.

The previous prime is 2122256600587. The next prime is 2122256600647. The reversal of 2122256600641 is 1460066522212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2122256600641 - 2²¹ = 2122254503489 is a prime.

It is a super-2 number, since 2×2122256600641² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122256600641.

It is not an unprimeable number, because it can be changed into a prime (2122256600647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693093375 + ... + 693096436.

It is an arithmetic number, because the mean of its divisors is an integer number (530910697996).

Almost surely, 2^{2122256600641} is an apocalyptic number.

It is an amenable number.

2122256600641 is a deficient number, since it is larger than the sum of its proper divisors (1386191343).

2122256600641 is a wasteful number, since it uses less digits than its factorization.

2122256600641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386191342.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 2122256600641 in words is "two trillion, one hundred twenty-two billion, two hundred fifty-six million, six hundred thousand, six hundred forty-one".