11030111203 has 2 divisors, whose sum is σ = 11030111204. Its totient is φ = 11030111202.

The previous prime is 11030111201. The next prime is 11030111251. The reversal of 11030111203 is 30211103011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11030111203 - 2¹ = 11030111201 is a prime.

It is a super-2 number, since 2×11030111203² (a number of 21 digits) contains 22 as substring.

Together with 11030111201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11030111201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515055601 + 5515055602.

It is an arithmetic number, because the mean of its divisors is an integer number (5515055602).

Almost surely, 2^11030111203 is an apocalyptic number.

11030111203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11030111203 is an equidigital number, since it uses as much as digits as its factorization.

11030111203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11030111203 its reverse (30211103011), we get a palindrome (41241214214).

The spelling of 11030111203 in words is "eleven billion, thirty million, one hundred eleven thousand, two hundred three".