11211011119937 has 2 divisors, whose sum is σ = 11211011119938. Its totient is φ = 11211011119936.

The previous prime is 11211011119921. The next prime is 11211011119939. The reversal of 11211011119937 is 73991111011211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10079253446656 + 1131757673281 = 3174784^2 + 1063841^2 .

It is a cyclic number.

It is not a de Polignac number, because 11211011119937 - 2⁴ = 11211011119921 is a prime.

Together with 11211011119939, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11211011119937.

It is not a weakly prime, because it can be changed into another prime (11211011119939) 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 as a sum of consecutive naturals, namely, 5605505559968 + 5605505559969.

It is an arithmetic number, because the mean of its divisors is an integer number (5605505559969).

Almost surely, 2^{11211011119937} is an apocalyptic number.

It is an amenable number.

11211011119937 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211011119937 is an equidigital number, since it uses as much as digits as its factorization.

11211011119937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 38.

The spelling of 11211011119937 in words is "eleven trillion, two hundred eleven billion, eleven million, one hundred nineteen thousand, nine hundred thirty-seven".