12201131111 has 8 divisors (see below), whose sum is σ = 13592772480. Its totient is φ = 10874217312.

The previous prime is 12201131093. The next prime is 12201131209. The reversal of 12201131111 is 11113110221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12201131111 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 (12201133111) 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, 16181495 + ... + 16182248.

It is an arithmetic number, because the mean of its divisors is an integer number (1699096560).

Almost surely, 2^12201131111 is an apocalyptic number.

12201131111 is a deficient number, since it is larger than the sum of its proper divisors (1391641369).

12201131111 is a wasteful number, since it uses less digits than its factorization.

12201131111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32363785.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 12201131111 its reverse (11113110221), we get a palindrome (23314241332).

The spelling of 12201131111 in words is "twelve billion, two hundred one million, one hundred thirty-one thousand, one hundred eleven".