220021133321 has 16 divisors (see below), whose sum is σ = 240793344000. Its totient is φ = 199378342800.

The previous prime is 220021133287. The next prime is 220021133327. The reversal of 220021133321 is 123331120022.

It is a cyclic number.

It is not a de Polignac number, because 220021133321 - 2³⁴ = 202841264137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220021133293 and 220021133302.

It is not an unprimeable number, because it can be changed into a prime (220021133327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4316816 + ... + 4367486.

It is an arithmetic number, because the mean of its divisors is an integer number (15049584000).

Almost surely, 2^220021133321 is an apocalyptic number.

It is an amenable number.

220021133321 is a deficient number, since it is larger than the sum of its proper divisors (20772210679).

220021133321 is a wasteful number, since it uses less digits than its factorization.

220021133321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51940.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 220021133321 its reverse (123331120022), we get a palindrome (343352253343).

The spelling of 220021133321 in words is "two hundred twenty billion, twenty-one million, one hundred thirty-three thousand, three hundred twenty-one".