220021010203 has 2 divisors, whose sum is σ = 220021010204. Its totient is φ = 220021010202.

The previous prime is 220021010191. The next prime is 220021010207. The reversal of 220021010203 is 302010120022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220021010203 is a prime.

It is not a weakly prime, because it can be changed into another prime (220021010207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110010505101 + 110010505102.

It is an arithmetic number, because the mean of its divisors is an integer number (110010505102).

Almost surely, 2^220021010203 is an apocalyptic number.

220021010203 is a deficient number, since it is larger than the sum of its proper divisors (1).

220021010203 is an equidigital number, since it uses as much as digits as its factorization.

220021010203 is an evil number, because the sum of its binary digits is even.

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

Adding to 220021010203 its reverse (302010120022), we get a palindrome (522031130225).

The spelling of 220021010203 in words is "two hundred twenty billion, twenty-one million, ten thousand, two hundred three".