1112121201211 has 16 divisors (see below), whose sum is σ = 1127632413600. Its totient is φ = 1096662048768.

The previous prime is 1112121201197. The next prime is 1112121201239. The reversal of 1112121201211 is 1121021212111.

It is a cyclic number.

It is not a de Polignac number, because 1112121201211 - 2¹⁷ = 1112121070139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112121201241) 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, 142777105 + ... + 142784893.

It is an arithmetic number, because the mean of its divisors is an integer number (70477025850).

Almost surely, 2^{1112121201211} is an apocalyptic number.

1112121201211 is a deficient number, since it is larger than the sum of its proper divisors (15511212389).

1112121201211 is an equidigital number, since it uses as much as digits as its factorization.

1112121201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10878.

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

Adding to 1112121201211 its reverse (1121021212111), we get a palindrome (2233142413322).

The spelling of 1112121201211 in words is "one trillion, one hundred twelve billion, one hundred twenty-one million, two hundred one thousand, two hundred eleven".