1112121211201 has 96 divisors (see below), whose sum is σ = 1556598871296. Its totient is φ = 780816960000.

The previous prime is 1112121211199. The next prime is 1112121211217. The reversal of 1112121211201 is 1021121212111.

It is not a de Polignac number, because 1112121211201 - 2¹ = 1112121211199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1112121211241) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 50236131 + ... + 50258263.

It is an arithmetic number, because the mean of its divisors is an integer number (16214571576).

Almost surely, 2^{1112121211201} is an apocalyptic number.

1112121211201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1112121211201 is a deficient number, since it is larger than the sum of its proper divisors (444477660095).

1112121211201 is a wasteful number, since it uses less digits than its factorization.

1112121211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22343 (or 22336 counting only the distinct ones).

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

Adding to 1112121211201 its reverse (1021121212111), we get a palindrome (2133242423312).

The spelling of 1112121211201 in words is "one trillion, one hundred twelve billion, one hundred twenty-one million, two hundred eleven thousand, two hundred one".