11030021983 has 2 divisors, whose sum is σ = 11030021984. Its totient is φ = 11030021982.

The previous prime is 11030021897. The next prime is 11030022037. The reversal of 11030021983 is 38912003011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11030021983 is a prime.

It is a super-2 number, since 2×11030021983² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11030021183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515010991 + 5515010992.

It is an arithmetic number, because the mean of its divisors is an integer number (5515010992).

Almost surely, 2^11030021983 is an apocalyptic number.

11030021983 is a deficient number, since it is larger than the sum of its proper divisors (1).

11030021983 is an equidigital number, since it uses as much as digits as its factorization.

11030021983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

Adding to 11030021983 its reverse (38912003011), we get a palindrome (49942024994).

The spelling of 11030021983 in words is "eleven billion, thirty million, twenty-one thousand, nine hundred eighty-three".