221112110022101 has 8 divisors (see below), whose sum is σ = 222039151827840. Its totient is φ = 220185083937952.

The previous prime is 221112110022079. The next prime is 221112110022113. The reversal of 221112110022101 is 101220011211122.

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 221112110022101 - 2²² = 221112105827797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221112110022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221112110028101) 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, 24693086 + ... + 32434128.

It is an arithmetic number, because the mean of its divisors is an integer number (27754893978480).

Almost surely, 2^{221112110022101} is an apocalyptic number.

It is an amenable number.

221112110022101 is a deficient number, since it is larger than the sum of its proper divisors (927041805739).

221112110022101 is a wasteful number, since it uses less digits than its factorization.

221112110022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7860795.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 221112110022101 its reverse (101220011211122), we get a palindrome (322332121233223).

The spelling of 221112110022101 in words is "two hundred twenty-one trillion, one hundred twelve billion, one hundred ten million, twenty-two thousand, one hundred one".