100111112110221 has 8 divisors (see below), whose sum is σ = 134069506967904. Its totient is φ = 66446729329680.

The previous prime is 100111112110171. The next prime is 100111112110253. The reversal of 100111112110221 is 122011211111001.

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

It is not a de Polignac number, because 100111112110221 - 2¹⁵ = 100111112077453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100111112110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111112110921) 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, 73503018490 + ... + 73503019851.

It is an arithmetic number, because the mean of its divisors is an integer number (16758688370988).

Almost surely, 2^{100111112110221} is an apocalyptic number.

It is an amenable number.

100111112110221 is a deficient number, since it is larger than the sum of its proper divisors (33958394857683).

100111112110221 is a wasteful number, since it uses less digits than its factorization.

100111112110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147006038571.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 100111112110221 its reverse (122011211111001), we get a palindrome (222122323221222).

The spelling of 100111112110221 in words is "one hundred trillion, one hundred eleven billion, one hundred twelve million, one hundred ten thousand, two hundred twenty-one".