1111320221003 has 2 divisors, whose sum is σ = 1111320221004. Its totient is φ = 1111320221002.

The previous prime is 1111320220961. The next prime is 1111320221023. The reversal of 1111320221003 is 3001220231111.

It is a strong prime.

It is an emirp because it is prime and its reverse (3001220231111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1111320221003 - 2²² = 1111316026699 is a prime.

It is a super-2 number, since 2×1111320221003² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1111320221023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555660110501 + 555660110502.

It is an arithmetic number, because the mean of its divisors is an integer number (555660110502).

Almost surely, 2^{1111320221003} is an apocalyptic number.

1111320221003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111320221003 is an equidigital number, since it uses as much as digits as its factorization.

1111320221003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1111320221003 its reverse (3001220231111), we get a palindrome (4112540452114).

The spelling of 1111320221003 in words is "one trillion, one hundred eleven billion, three hundred twenty million, two hundred twenty-one thousand, three".