111201203201 has 4 divisors (see below), whose sum is σ = 121310403504. Its totient is φ = 101092002900.

The previous prime is 111201203171. The next prime is 111201203207. The reversal of 111201203201 is 102302102111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102302102111 = 11 ⋅9300191101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111201203201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111201203207) 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, 5054600135 + ... + 5054600156.

It is an arithmetic number, because the mean of its divisors is an integer number (30327600876).

Almost surely, 2^111201203201 is an apocalyptic number.

111201203201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111201203201 is a deficient number, since it is larger than the sum of its proper divisors (10109200303).

111201203201 is a wasteful number, since it uses less digits than its factorization.

111201203201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10109200302.

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

Adding to 111201203201 its reverse (102302102111), we get a palindrome (213503305312).

The spelling of 111201203201 in words is "one hundred eleven billion, two hundred one million, two hundred three thousand, two hundred one".