221100112101101 has 8 divisors (see below), whose sum is σ = 225375929797824. Its totient is φ = 216856564727040.

The previous prime is 221100112101097. The next prime is 221100112101109. The reversal of 221100112101101 is 101101211001122.

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 221100112101101 - 2² = 221100112101097 is a prime.

It is a super-2 number, since 2×221100112101101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221100112101109) 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, 8067566831 + ... + 8067594236.

It is an arithmetic number, because the mean of its divisors is an integer number (28171991224728).

Almost surely, 2^{221100112101101} is an apocalyptic number.

It is an amenable number.

221100112101101 is a deficient number, since it is larger than the sum of its proper divisors (4275817696723).

221100112101101 is a wasteful number, since it uses less digits than its factorization.

221100112101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16135161331.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 221100112101101 its reverse (101101211001122), we get a palindrome (322201323102223).

The spelling of 221100112101101 in words is "two hundred twenty-one trillion, one hundred billion, one hundred twelve million, one hundred one thousand, one hundred one".