11021021219903 has 2 divisors, whose sum is σ = 11021021219904. Its totient is φ = 11021021219902.

The previous prime is 11021021219893. The next prime is 11021021220017. The reversal of 11021021219903 is 30991212012011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11021021219903 - 2¹⁴ = 11021021203519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11021021219903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11021021219503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510510609951 + 5510510609952.

It is an arithmetic number, because the mean of its divisors is an integer number (5510510609952).

Almost surely, 2^{11021021219903} is an apocalyptic number.

11021021219903 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021021219903 is an equidigital number, since it uses as much as digits as its factorization.

11021021219903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 32.

The spelling of 11021021219903 in words is "eleven trillion, twenty-one billion, twenty-one million, two hundred nineteen thousand, nine hundred three".