12111221101202 has 8 divisors (see below), whose sum is σ = 18174366636912. Its totient is φ = 6053098888900.

The previous prime is 12111221101171. The next prime is 12111221101207. The reversal of 12111221101202 is 20210112211121.

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

It is not an unprimeable number, because it can be changed into a prime (12111221101207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1255824824 + ... + 1255834467.

It is an arithmetic number, because the mean of its divisors is an integer number (2271795829614).

Almost surely, 2^{12111221101202} is an apocalyptic number.

12111221101202 is a deficient number, since it is larger than the sum of its proper divisors (6063145535710).

12111221101202 is a wasteful number, since it uses less digits than its factorization.

12111221101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511661704.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12111221101202 its reverse (20210112211121), we get a palindrome (32321333312323).

The spelling of 12111221101202 in words is "twelve trillion, one hundred eleven billion, two hundred twenty-one million, one hundred one thousand, two hundred two".