220021100203 has 8 divisors (see below), whose sum is σ = 234183225600. Its totient is φ = 205994497920.

The previous prime is 220021100183. The next prime is 220021100213. The reversal of 220021100203 is 302001120022.

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-220021100203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220021100213) 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, 33877428 + ... + 33883921.

It is an arithmetic number, because the mean of its divisors is an integer number (29272903200).

Almost surely, 2^220021100203 is an apocalyptic number.

220021100203 is a deficient number, since it is larger than the sum of its proper divisors (14162125397).

220021100203 is a wasteful number, since it uses less digits than its factorization.

220021100203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67761557.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 220021100203 its reverse (302001120022), we get a palindrome (522022220225).

The spelling of 220021100203 in words is "two hundred twenty billion, twenty-one million, one hundred thousand, two hundred three".