10111303211 has 4 divisors (see below), whose sum is σ = 10111535112. Its totient is φ = 10111071312.

The previous prime is 10111303199. The next prime is 10111303229. The reversal of 10111303211 is 11230311101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11230311101 = 7001 ⋅1604101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10111303211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10111300211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28625 + ... + 145058.

It is an arithmetic number, because the mean of its divisors is an integer number (2527883778).

Almost surely, 2^10111303211 is an apocalyptic number.

10111303211 is a deficient number, since it is larger than the sum of its proper divisors (231901).

10111303211 is an equidigital number, since it uses as much as digits as its factorization.

10111303211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231900.

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

Adding to 10111303211 its reverse (11230311101), we get a palindrome (21341614312).

The spelling of 10111303211 in words is "ten billion, one hundred eleven million, three hundred three thousand, two hundred eleven".