100110111022221 has 8 divisors (see below), whose sum is σ = 133480757934720. Its totient is φ = 66739769062272.

The previous prime is 100110111022183. The next prime is 100110111022321. The reversal of 100110111022221 is 122220111011001.

It is a happy number.

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

It is not a de Polignac number, because 100110111022221 - 2¹⁴ = 100110111005837 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100110111022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100110111022321) 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, 75471045 + ... + 76786058.

It is an arithmetic number, because the mean of its divisors is an integer number (16685094741840).

Almost surely, 2^{100110111022221} is an apocalyptic number.

It is an amenable number.

100110111022221 is a deficient number, since it is larger than the sum of its proper divisors (33370646912499).

100110111022221 is a wasteful number, since it uses less digits than its factorization.

100110111022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152476275.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 100110111022221 its reverse (122220111011001), we get a palindrome (222330222033222).

The spelling of 100110111022221 in words is "one hundred trillion, one hundred ten billion, one hundred eleven million, twenty-two thousand, two hundred twenty-one".