12111200102321 has 8 divisors (see below), whose sum is σ = 12225896901504. Its totient is φ = 11996531229520.

The previous prime is 12111200102317. The next prime is 12111200102347. The reversal of 12111200102321 is 12320100211121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12111200102321 - 2² = 12111200102317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12111200102321.

It is not an unprimeable number, because it can be changed into a prime (12111200102371) 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, 6109610 + ... + 7845363.

It is an arithmetic number, because the mean of its divisors is an integer number (1528237112688).

Almost surely, 2^{12111200102321} is an apocalyptic number.

It is an amenable number.

12111200102321 is a deficient number, since it is larger than the sum of its proper divisors (114696799183).

12111200102321 is a wasteful number, since it uses less digits than its factorization.

12111200102321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13963191.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12111200102321 its reverse (12320100211121), we get a palindrome (24431300313442).

The spelling of 12111200102321 in words is "twelve trillion, one hundred eleven billion, two hundred million, one hundred two thousand, three hundred twenty-one".