100120102221 has 8 divisors (see below), whose sum is σ = 133673140800. Its totient is φ = 66656899232.

The previous prime is 100120102217. The next prime is 100120102231. The reversal of 100120102221 is 122201021001.

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 100120102221 - 2² = 100120102217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100120102197 and 100120102206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100120102231) 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, 22456296 + ... + 22460753.

It is an arithmetic number, because the mean of its divisors is an integer number (16709142600).

Almost surely, 2^100120102221 is an apocalyptic number.

It is an amenable number.

100120102221 is a deficient number, since it is larger than the sum of its proper divisors (33553038579).

100120102221 is an equidigital number, since it uses as much as digits as its factorization.

100120102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44917795.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100120102221 its reverse (122201021001), we get a palindrome (222321123222).

The spelling of 100120102221 in words is "one hundred billion, one hundred twenty million, one hundred two thousand, two hundred twenty-one".