100220000221 has 8 divisors (see below), whose sum is σ = 109383321024. Its totient is φ = 91065414720.

The previous prime is 100220000173. The next prime is 100220000239. The reversal of 100220000221 is 122000022001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100220000221 - 2⁹ = 100219999709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100220000198 and 100220000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220000281) 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, 2159820 + ... + 2205733.

It is an arithmetic number, because the mean of its divisors is an integer number (13672915128).

Almost surely, 2^100220000221 is an apocalyptic number.

100220000221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100220000221 is a deficient number, since it is larger than the sum of its proper divisors (9163320803).

100220000221 is a wasteful number, since it uses less digits than its factorization.

100220000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4367651.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 100220000221 its reverse (122000022001), we get a palindrome (222220022222).

The spelling of 100220000221 in words is "one hundred billion, two hundred twenty million, two hundred twenty-one", and thus it is an aban number.