11321222022011 has 16 divisors (see below), whose sum is σ = 12383045112960. Its totient is φ = 10264869847680.

The previous prime is 11321222021981. The next prime is 11321222022029. The reversal of 11321222022011 is 11022022212311.

It is a cyclic number.

It is not a de Polignac number, because 11321222022011 - 2¹⁸ = 11321221759867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11321222022041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5801480 + ... + 7503306.

It is an arithmetic number, because the mean of its divisors is an integer number (773940319560).

Almost surely, 2^{11321222022011} is an apocalyptic number.

11321222022011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11321222022011 is a deficient number, since it is larger than the sum of its proper divisors (1061823090949).

11321222022011 is a wasteful number, since it uses less digits than its factorization.

11321222022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703434.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11321222022011 its reverse (11022022212311), we get a palindrome (22343244234322).

The spelling of 11321222022011 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-two million, twenty-two thousand, eleven".