12210133221111 has 8 divisors (see below), whose sum is σ = 18605917289344. Its totient is φ = 6977218983480.

The previous prime is 12210133221073. The next prime is 12210133221133. The reversal of 12210133221111 is 11112233101221.

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

It is not a de Polignac number, because 12210133221111 - 2²¹ = 12210131123959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 581434915291 = 12210133221111 / (1 + 2 + 2 + 1 + 0 + 1 + 3 + 3 + 2 + 2 + 1 + 1 + 1 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210133229111) 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, 290717457625 + ... + 290717457666.

It is an arithmetic number, because the mean of its divisors is an integer number (2325739661168).

Almost surely, 2^{12210133221111} is an apocalyptic number.

12210133221111 is a deficient number, since it is larger than the sum of its proper divisors (6395784068233).

12210133221111 is an equidigital number, since it uses as much as digits as its factorization.

12210133221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581434915301.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 12210133221111 its reverse (11112233101221), we get a palindrome (23322366322332).

The spelling of 12210133221111 in words is "twelve trillion, two hundred ten billion, one hundred thirty-three million, two hundred twenty-one thousand, one hundred eleven".