100310111102221 has 4 divisors (see below), whose sum is σ = 102642904383712. Its totient is φ = 97977317820732.

The previous prime is 100310111102213. The next prime is 100310111102251. The reversal of 100310111102221 is 122201111013001.

It is a happy number.

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 100310111102221 - 2³ = 100310111102213 is a prime.

It is a super-2 number, since 2×100310111102221² (a number of 29 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 = 100310111102195 and 100310111102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100310111102251) 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, 1166396640681 + ... + 1166396640766.

It is an arithmetic number, because the mean of its divisors is an integer number (25660726095928).

Almost surely, 2^{100310111102221} is an apocalyptic number.

It is an amenable number.

100310111102221 is a deficient number, since it is larger than the sum of its proper divisors (2332793281491).

100310111102221 is an equidigital number, since it uses as much as digits as its factorization.

100310111102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332793281490.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 100310111102221 its reverse (122201111013001), we get a palindrome (222511222115222).

The spelling of 100310111102221 in words is "one hundred trillion, three hundred ten billion, one hundred eleven million, one hundred two thousand, two hundred twenty-one".