11311010222403 has 4 divisors (see below), whose sum is σ = 15081346963208. Its totient is φ = 7540673481600.

The previous prime is 11311010222383. The next prime is 11311010222419. The reversal of 11311010222403 is 30422201011311.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11311010222403 - 2¹² = 11311010218307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11311010222403.

It is not an unprimeable number, because it can be changed into a prime (11311010242403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1885168370398 + ... + 1885168370403.

It is an arithmetic number, because the mean of its divisors is an integer number (3770336740802).

Almost surely, 2^{11311010222403} is an apocalyptic number.

11311010222403 is a deficient number, since it is larger than the sum of its proper divisors (3770336740805).

11311010222403 is an equidigital number, since it uses as much as digits as its factorization.

11311010222403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770336740804.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11311010222403 its reverse (30422201011311), we get a palindrome (41733211233714).

The spelling of 11311010222403 in words is "eleven trillion, three hundred eleven billion, ten million, two hundred twenty-two thousand, four hundred three".