100120223221 has 8 divisors (see below), whose sum is σ = 100693684800. Its totient is φ = 99548187648.

The previous prime is 100120223207. The next prime is 100120223237. The reversal of 100120223221 is 122322021001.

It is a happy number.

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 100120223221 - 2¹³ = 100120215029 is a prime.

It is a super-2 number, since 2×100120223221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100120223195 and 100120223204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100120223201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215521 + ... + 496678.

It is an arithmetic number, because the mean of its divisors is an integer number (12586710600).

Almost surely, 2^100120223221 is an apocalyptic number.

It is an amenable number.

100120223221 is a deficient number, since it is larger than the sum of its proper divisors (573461579).

100120223221 is an equidigital number, since it uses as much as digits as its factorization.

100120223221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713003.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 100120223221 its reverse (122322021001), we get a palindrome (222442244222).

The spelling of 100120223221 in words is "one hundred billion, one hundred twenty million, two hundred twenty-three thousand, two hundred twenty-one".