2112121200001 has 8 divisors (see below), whose sum is σ = 2112768365760. Its totient is φ = 2111474144208.

The previous prime is 2112121199971. The next prime is 2112121200011. The reversal of 2112121200001 is 1000021212112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112121200001 - 2⁷ = 2112121199873 is a prime.

It is a super-2 number, since 2×2112121200001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112121200011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52534615 + ... + 52574803.

It is an arithmetic number, because the mean of its divisors is an integer number (264096045720).

Almost surely, 2^{2112121200001} is an apocalyptic number.

It is an amenable number.

2112121200001 is a deficient number, since it is larger than the sum of its proper divisors (647165759).

2112121200001 is an equidigital number, since it uses as much as digits as its factorization.

2112121200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54983.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2112121200001 its reverse (1000021212112), we get a palindrome (3112142412113).

The spelling of 2112121200001 in words is "two trillion, one hundred twelve billion, one hundred twenty-one million, two hundred thousand, one".