12201120021111 has 8 divisors (see below), whose sum is σ = 18592182889344. Its totient is φ = 6972068583480.

The previous prime is 12201120021067. The next prime is 12201120021119. The reversal of 12201120021111 is 11112002110221.

It is a happy number.

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

It is not a de Polignac number, because 12201120021111 - 2¹⁴ = 12201120004727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201120021119) 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, 290502857625 + ... + 290502857666.

It is an arithmetic number, because the mean of its divisors is an integer number (2324022861168).

Almost surely, 2^{12201120021111} is an apocalyptic number.

12201120021111 is a deficient number, since it is larger than the sum of its proper divisors (6391062868233).

12201120021111 is an equidigital number, since it uses as much as digits as its factorization.

12201120021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581005715301.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12201120021111 its reverse (11112002110221), we get a palindrome (23313122131332).

The spelling of 12201120021111 in words is "twelve trillion, two hundred one billion, one hundred twenty million, twenty-one thousand, one hundred eleven".