11321211033 has 24 divisors (see below), whose sum is σ = 18105755616. Its totient is φ = 6758928000.

The previous prime is 11321211029. The next prime is 11321211037. The reversal of 11321211033 is 33011212311.

It is an interprime number because it is at equal distance from previous prime (11321211029) and next prime (11321211037).

It is not a de Polignac number, because 11321211033 - 2² = 11321211029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11321210997 and 11321211015.

It is not an unprimeable number, because it can be changed into a prime (11321211037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 846768 + ... + 860033.

It is an arithmetic number, because the mean of its divisors is an integer number (754406484).

Almost surely, 2^11321211033 is an apocalyptic number.

It is an amenable number.

11321211033 is a deficient number, since it is larger than the sum of its proper divisors (6784544583).

11321211033 is a wasteful number, since it uses less digits than its factorization.

11321211033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706885 (or 1706882 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11321211033 its reverse (33011212311), we get a palindrome (44332423344).

The spelling of 11321211033 in words is "eleven billion, three hundred twenty-one million, two hundred eleven thousand, thirty-three".