111012023101 has 16 divisors (see below), whose sum is σ = 128082612096. Its totient is φ = 94244728896.

The previous prime is 111012023099. The next prime is 111012023117. The reversal of 111012023101 is 101320210111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111012023101 - 2¹ = 111012023099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012023131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4629595 + ... + 4653511.

It is an arithmetic number, because the mean of its divisors is an integer number (8005163256).

Almost surely, 2^111012023101 is an apocalyptic number.

It is an amenable number.

111012023101 is a deficient number, since it is larger than the sum of its proper divisors (17070588995).

111012023101 is a wasteful number, since it uses less digits than its factorization.

111012023101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30228.

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

Adding to 111012023101 its reverse (101320210111), we get a palindrome (212332233212).

The spelling of 111012023101 in words is "one hundred eleven billion, twelve million, twenty-three thousand, one hundred one".