100020230221 has 4 divisors (see below), whose sum is σ = 100027262944. Its totient is φ = 100013197500.

The previous prime is 100020230153. The next prime is 100020230243. The reversal of 100020230221 is 122032020001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 122032020001 = 2411 ⋅50614691.

It is a cyclic number.

It is not a de Polignac number, because 100020230221 - 2²³ = 100011841613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100020233221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3494985 + ... + 3523486.

It is an arithmetic number, because the mean of its divisors is an integer number (25006815736).

Almost surely, 2^100020230221 is an apocalyptic number.

It is an amenable number.

100020230221 is a deficient number, since it is larger than the sum of its proper divisors (7032723).

100020230221 is an equidigital number, since it uses as much as digits as its factorization.

100020230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7032722.

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

Adding to 100020230221 its reverse (122032020001), we get a palindrome (222052250222).

The spelling of 100020230221 in words is "one hundred billion, twenty million, two hundred thirty thousand, two hundred twenty-one".