10211220311 has 2 divisors, whose sum is σ = 10211220312. Its totient is φ = 10211220310.

The previous prime is 10211220301. The next prime is 10211220317. The reversal of 10211220311 is 11302211201.

10211220311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10211220311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10211220317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105610155 + 5105610156.

It is an arithmetic number, because the mean of its divisors is an integer number (5105610156).

Almost surely, 2^10211220311 is an apocalyptic number.

10211220311 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211220311 is an equidigital number, since it uses as much as digits as its factorization.

10211220311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10211220311 its reverse (11302211201), we get a palindrome (21513431512).

The spelling of 10211220311 in words is "ten billion, two hundred eleven million, two hundred twenty thousand, three hundred eleven".