11321022011 has 8 divisors (see below), whose sum is σ = 12398512560. Its totient is φ = 10273051872.

The previous prime is 11321021977. The next prime is 11321022043. The reversal of 11321022011 is 11022012311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11321022011 - 2⁶ = 11321021947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11321022061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7379300 + ... + 7380833.

It is an arithmetic number, because the mean of its divisors is an integer number (1549814070).

Almost surely, 2^11321022011 is an apocalyptic number.

11321022011 is a deficient number, since it is larger than the sum of its proper divisors (1077490549).

11321022011 is a wasteful number, since it uses less digits than its factorization.

11321022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14760205.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11321022011 its reverse (11022012311), we get a palindrome (22343034322).

The spelling of 11321022011 in words is "eleven billion, three hundred twenty-one million, twenty-two thousand, eleven".