12220021332311 has 8 divisors (see below), whose sum is σ = 13238825508384. Its totient is φ = 11212474661280.

The previous prime is 12220021332287. The next prime is 12220021332373. The reversal of 12220021332311 is 11323312002221.

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-12220021332311 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 (12220021332391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2814374000 + ... + 2814378341.

It is an arithmetic number, because the mean of its divisors is an integer number (1654853188548).

Almost surely, 2^{12220021332311} is an apocalyptic number.

12220021332311 is a deficient number, since it is larger than the sum of its proper divisors (1018804176073).

12220021332311 is a wasteful number, since it uses less digits than its factorization.

12220021332311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5628752521.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12220021332311 its reverse (11323312002221), we get a palindrome (23543333334532).

The spelling of 12220021332311 in words is "twelve trillion, two hundred twenty billion, twenty-one million, three hundred thirty-two thousand, three hundred eleven".