111001102231 has 4 divisors (see below), whose sum is σ = 111004425000. Its totient is φ = 110997779464.

The previous prime is 111001102189. The next prime is 111001102271. The reversal of 111001102231 is 132201100111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132201100111 = 3049 ⋅43358839.

It is a cyclic number.

It is not a de Polignac number, because 111001102231 - 2²¹ = 110999005079 is a prime.

It is a super-2 number, since 2×111001102231² (a number of 23 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 (111001102271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1610761 + ... + 1678258.

It is an arithmetic number, because the mean of its divisors is an integer number (27751106250).

Almost surely, 2^111001102231 is an apocalyptic number.

111001102231 is a deficient number, since it is larger than the sum of its proper divisors (3322769).

111001102231 is an equidigital number, since it uses as much as digits as its factorization.

111001102231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322768.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111001102231 its reverse (132201100111), we get a palindrome (243202202342).

The spelling of 111001102231 in words is "one hundred eleven billion, one million, one hundred two thousand, two hundred thirty-one".