111220102212101 has 8 divisors (see below), whose sum is σ = 117811878943104. Its totient is φ = 104633816345280.

The previous prime is 111220102212097. The next prime is 111220102212187. The reversal of 111220102212101 is 101212201022111.

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 111220102212101 - 2² = 111220102212097 is a prime.

It is a super-2 number, since 2×111220102212101² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 111220102212101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220102212301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1372674335 + ... + 1372755356.

It is an arithmetic number, because the mean of its divisors is an integer number (14726484867888).

Almost surely, 2^{111220102212101} is an apocalyptic number.

It is an amenable number.

111220102212101 is a deficient number, since it is larger than the sum of its proper divisors (6591776731003).

111220102212101 is a wasteful number, since it uses less digits than its factorization.

111220102212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745432091.

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

Adding to 111220102212101 its reverse (101212201022111), we get a palindrome (212432303234212).

The spelling of 111220102212101 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred two million, two hundred twelve thousand, one hundred one".