11130203111 has 2 divisors, whose sum is σ = 11130203112. Its totient is φ = 11130203110.

The previous prime is 11130203099. The next prime is 11130203153.

It is a happy number.

11130203111 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 11130203111 - 2¹⁸ = 11129940967 is a prime.

It is a super-2 number, since 2×11130203111² (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 (11130203311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565101555 + 5565101556.

It is an arithmetic number, because the mean of its divisors is an integer number (5565101556).

Almost surely, 2^11130203111 is an apocalyptic number.

11130203111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11130203111 is an equidigital number, since it uses as much as digits as its factorization.

11130203111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

The spelling of 11130203111 in words is "eleven billion, one hundred thirty million, two hundred three thousand, one hundred eleven".