2120211200999 has 8 divisors (see below), whose sum is σ = 2170346047488. Its totient is φ = 2070285686680.

The previous prime is 2120211200927. The next prime is 2120211201007. The reversal of 2120211200999 is 9990021120212.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120211200999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120211200909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52312547 + ... + 52353060.

It is an arithmetic number, because the mean of its divisors is an integer number (271293255936).

Almost surely, 2^{2120211200999} is an apocalyptic number.

2120211200999 is a deficient number, since it is larger than the sum of its proper divisors (50134846489).

2120211200999 is a wasteful number, since it uses less digits than its factorization.

2120211200999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104666085.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 2120211200999 in words is "two trillion, one hundred twenty billion, two hundred eleven million, two hundred thousand, nine hundred ninety-nine".