2120311111063 has 2 divisors, whose sum is σ = 2120311111064. Its totient is φ = 2120311111062.

The previous prime is 2120311111057. The next prime is 2120311111133. The reversal of 2120311111063 is 3601111130212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120311111063 - 2³³ = 2111721176471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120311111013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060155555531 + 1060155555532.

It is an arithmetic number, because the mean of its divisors is an integer number (1060155555532).

Almost surely, 2^{2120311111063} is an apocalyptic number.

2120311111063 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120311111063 is an equidigital number, since it uses as much as digits as its factorization.

2120311111063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 2120311111063 its reverse (3601111130212), we get a palindrome (5721422241275).

The spelling of 2120311111063 in words is "two trillion, one hundred twenty billion, three hundred eleven million, one hundred eleven thousand, sixty-three".