100222221020209 has 4 divisors (see below), whose sum is σ = 100247158128240. Its totient is φ = 100197283912180.

The previous prime is 100222221020171. The next prime is 100222221020227. The reversal of 100222221020209 is 902020122222001.

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.

It is a cyclic number.

It is not a de Polignac number, because 100222221020209 - 2¹⁹ = 100222220495921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100222221023209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12468547987 + ... + 12468556024.

It is an arithmetic number, because the mean of its divisors is an integer number (25061789532060).

Almost surely, 2^{100222221020209} is an apocalyptic number.

It is an amenable number.

100222221020209 is a deficient number, since it is larger than the sum of its proper divisors (24937108031).

100222221020209 is an equidigital number, since it uses as much as digits as its factorization.

100222221020209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24937108030.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 100222221020209 in words is "one hundred trillion, two hundred twenty-two billion, two hundred twenty-one million, twenty thousand, two hundred nine".