220021110213 has 4 divisors (see below), whose sum is σ = 293361480288. Its totient is φ = 146680740140.

The previous prime is 220021110209. The next prime is 220021110269. The reversal of 220021110213 is 312011120022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220021110213 - 2² = 220021110209 is a prime.

It is a super-2 number, since 2×220021110213² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220021110192 and 220021110201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220021114213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36670185033 + ... + 36670185038.

It is an arithmetic number, because the mean of its divisors is an integer number (73340370072).

Almost surely, 2^220021110213 is an apocalyptic number.

It is an amenable number.

220021110213 is a deficient number, since it is larger than the sum of its proper divisors (73340370075).

220021110213 is an equidigital number, since it uses as much as digits as its factorization.

220021110213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73340370074.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 220021110213 its reverse (312011120022), we get a palindrome (532032230235).

The spelling of 220021110213 in words is "two hundred twenty billion, twenty-one million, one hundred ten thousand, two hundred thirteen".