111203201023 has 16 divisors (see below), whose sum is σ = 116656091136. Its totient is φ = 105871122720.

The previous prime is 111203201017. The next prime is 111203201027. The reversal of 111203201023 is 320102302111.

It is a cyclic number.

It is not a de Polignac number, because 111203201023 - 2¹³ = 111203192831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111203200988 and 111203201006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111203201027) 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, 1570890 + ... + 1640152.

It is an arithmetic number, because the mean of its divisors is an integer number (7291005696).

Almost surely, 2^111203201023 is an apocalyptic number.

111203201023 is a deficient number, since it is larger than the sum of its proper divisors (5452890113).

111203201023 is an equidigital number, since it uses as much as digits as its factorization.

111203201023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70134.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 111203201023 its reverse (320102302111), we get a palindrome (431305503134).

The spelling of 111203201023 in words is "one hundred eleven billion, two hundred three million, two hundred one thousand, twenty-three".