111223201101 has 8 divisors (see below), whose sum is σ = 149207403360. Its totient is φ = 73693899792.

The previous prime is 111223201087. The next prime is 111223201109. The reversal of 111223201101 is 101102322111.

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

It is not a de Polignac number, because 111223201101 - 2²⁷ = 111088983373 is a prime.

It is a super-2 number, since 2×111223201101² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111223201109) 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, 113724666 + ... + 113725643.

It is an arithmetic number, because the mean of its divisors is an integer number (18650925420).

Almost surely, 2^111223201101 is an apocalyptic number.

It is an amenable number.

111223201101 is a deficient number, since it is larger than the sum of its proper divisors (37984202259).

111223201101 is a wasteful number, since it uses less digits than its factorization.

111223201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227450475.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 111223201101 its reverse (101102322111), we get a palindrome (212325523212).

The spelling of 111223201101 in words is "one hundred eleven billion, two hundred twenty-three million, two hundred one thousand, one hundred one".