2120444221411 has 2 divisors, whose sum is σ = 2120444221412. Its totient is φ = 2120444221410.

The previous prime is 2120444221351. The next prime is 2120444221477. The reversal of 2120444221411 is 1141224440212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120444221411 is a prime.

It is a super-2 number, since 2×2120444221411² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2120444221411.

It is not a weakly prime, because it can be changed into another prime (2120444225411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060222110705 + 1060222110706.

It is an arithmetic number, because the mean of its divisors is an integer number (1060222110706).

Almost surely, 2^{2120444221411} is an apocalyptic number.

2120444221411 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120444221411 is an equidigital number, since it uses as much as digits as its factorization.

2120444221411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 2120444221411 its reverse (1141224440212), we get a palindrome (3261668661623).

The spelling of 2120444221411 in words is "two trillion, one hundred twenty billion, four hundred forty-four million, two hundred twenty-one thousand, four hundred eleven".