11321022011021 has 8 divisors (see below), whose sum is σ = 11391187617120. Its totient is φ = 11250865081872.

The previous prime is 11321022010999. The next prime is 11321022011081. The reversal of 11321022011021 is 12011022012311.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11321022011021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321022011081) 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, 458126 + ... + 4780368.

It is an arithmetic number, because the mean of its divisors is an integer number (1423898452140).

Almost surely, 2^{11321022011021} is an apocalyptic number.

It is an amenable number.

11321022011021 is a deficient number, since it is larger than the sum of its proper divisors (70165606099).

11321022011021 is a wasteful number, since it uses less digits than its factorization.

11321022011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4338475.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11321022011021 its reverse (12011022012311), we get a palindrome (23332044023332).

The spelling of 11321022011021 in words is "eleven trillion, three hundred twenty-one billion, twenty-two million, eleven thousand, twenty-one".