2122111360641 has 4 divisors (see below), whose sum is σ = 2829481814192. Its totient is φ = 1414740907092.

The previous prime is 2122111360637. The next prime is 2122111360679. The reversal of 2122111360641 is 1460631112212.

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 not a de Polignac number, because 2122111360641 - 2² = 2122111360637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122111360599 and 2122111360608.

It is not an unprimeable number, because it can be changed into a prime (2122111360241) 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, 353685226771 + ... + 353685226776.

It is an arithmetic number, because the mean of its divisors is an integer number (707370453548).

Almost surely, 2^{2122111360641} is an apocalyptic number.

It is an amenable number.

2122111360641 is a deficient number, since it is larger than the sum of its proper divisors (707370453551).

2122111360641 is an equidigital number, since it uses as much as digits as its factorization.

2122111360641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707370453550.

The product of its (nonzero) digits is 3456, while the sum is 30.

Adding to 2122111360641 its reverse (1460631112212), we get a palindrome (3582742472853).

The spelling of 2122111360641 in words is "two trillion, one hundred twenty-two billion, one hundred eleven million, three hundred sixty thousand, six hundred forty-one".