12200311111121 has 16 divisors (see below), whose sum is σ = 13997835105408. Its totient is φ = 10416511872000.

The previous prime is 12200311111111. The next prime is 12200311111187. The reversal of 12200311111121 is 12111111300221.

It is a cyclic number.

It is not a de Polignac number, because 12200311111121 - 2¹⁸ = 12200310848977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12200311111121.

It is not an unprimeable number, because it can be changed into a prime (12200311111111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763280 + ... + 4998321.

It is an arithmetic number, because the mean of its divisors is an integer number (874864694088).

Almost surely, 2^{12200311111121} is an apocalyptic number.

It is an amenable number.

12200311111121 is a deficient number, since it is larger than the sum of its proper divisors (1797523994287).

12200311111121 is an equidigital number, since it uses as much as digits as its factorization.

12200311111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5762792.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 12200311111121 its reverse (12111111300221), we get a palindrome (24311422411342).

The spelling of 12200311111121 in words is "twelve trillion, two hundred billion, three hundred eleven million, one hundred eleven thousand, one hundred twenty-one".