12200120221111 has 4 divisors (see below), whose sum is σ = 12318567990352. Its totient is φ = 12081672451872.

The previous prime is 12200120221109. The next prime is 12200120221127. The reversal of 12200120221111 is 11112202100221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12200120221111 - 2¹ = 12200120221109 is a prime.

It is a super-4 number, since 4×12200120221111⁴ (a number of 53 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200120221511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59223884466 + ... + 59223884671.

It is an arithmetic number, because the mean of its divisors is an integer number (3079641997588).

Almost surely, 2^{12200120221111} is an apocalyptic number.

12200120221111 is a deficient number, since it is larger than the sum of its proper divisors (118447769241).

12200120221111 is a wasteful number, since it uses less digits than its factorization.

12200120221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118447769240.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12200120221111 its reverse (11112202100221), we get a palindrome (23312322321332).

The spelling of 12200120221111 in words is "twelve trillion, two hundred billion, one hundred twenty million, two hundred twenty-one thousand, one hundred eleven".