100321221111 has 8 divisors (see below), whose sum is σ = 140801713920. Its totient is φ = 63360771192.

The previous prime is 100321221109. The next prime is 100321221157. The reversal of 100321221111 is 111122123001.

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

It is not a de Polignac number, because 100321221111 - 2¹ = 100321221109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100321221101) 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, 880010655 + ... + 880010768.

It is an arithmetic number, because the mean of its divisors is an integer number (17600214240).

Almost surely, 2^100321221111 is an apocalyptic number.

100321221111 is a deficient number, since it is larger than the sum of its proper divisors (40480492809).

100321221111 is a wasteful number, since it uses less digits than its factorization.

100321221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760021445.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 100321221111 its reverse (111122123001), we get a palindrome (211443344112).

The spelling of 100321221111 in words is "one hundred billion, three hundred twenty-one million, two hundred twenty-one thousand, one hundred eleven".