111020102231 has 8 divisors (see below), whose sum is σ = 112286534400. Its totient is φ = 109754092800.

The previous prime is 111020102201. The next prime is 111020102257. The reversal of 111020102231 is 132201020111.

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 111020102231 - 2¹⁰ = 111020101207 is a prime.

It is a super-2 number, since 2×111020102231² (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 (111020102201) 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, 438431 + ... + 643631.

It is an arithmetic number, because the mean of its divisors is an integer number (14035816800).

Almost surely, 2^111020102231 is an apocalyptic number.

111020102231 is a deficient number, since it is larger than the sum of its proper divisors (1266432169).

111020102231 is an equidigital number, since it uses as much as digits as its factorization.

111020102231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211369.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 111020102231 its reverse (132201020111), we get a palindrome (243221122342).

The spelling of 111020102231 in words is "one hundred eleven billion, twenty million, one hundred two thousand, two hundred thirty-one".