220021323011 has 8 divisors (see below), whose sum is σ = 252716524800. Its totient is φ = 187642017288.

The previous prime is 220021322999. The next prime is 220021323019. The reversal of 220021323011 is 110323120022.

220021323011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-220021323011 is a prime.

It is a super-2 number, since 2×220021323011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220021323019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78972521 + ... + 78975306.

It is an arithmetic number, because the mean of its divisors is an integer number (31589565600).

Almost surely, 2^220021323011 is an apocalyptic number.

220021323011 is a deficient number, since it is larger than the sum of its proper divisors (32695201789).

220021323011 is a wasteful number, since it uses less digits than its factorization.

220021323011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157948033.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 220021323011 its reverse (110323120022), we get a palindrome (330344443033).

The spelling of 220021323011 in words is "two hundred twenty billion, twenty-one million, three hundred twenty-three thousand, eleven".