100220021227 has 2 divisors, whose sum is σ = 100220021228. Its totient is φ = 100220021226.

The previous prime is 100220021207. The next prime is 100220021249. The reversal of 100220021227 is 722120022001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100220021227 is a prime.

It is not a weakly prime, because it can be changed into another prime (100220021207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110010613 + 50110010614.

It is an arithmetic number, because the mean of its divisors is an integer number (50110010614).

Almost surely, 2^100220021227 is an apocalyptic number.

100220021227 is a deficient number, since it is larger than the sum of its proper divisors (1).

100220021227 is an equidigital number, since it uses as much as digits as its factorization.

100220021227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 100220021227 its reverse (722120022001), we get a palindrome (822340043228).

The spelling of 100220021227 in words is "one hundred billion, two hundred twenty million, twenty-one thousand, two hundred twenty-seven".