2120021000211 has 4 divisors (see below), whose sum is σ = 2826694666952. Its totient is φ = 1413347333472.

The previous prime is 2120021000191. The next prime is 2120021000213. The reversal of 2120021000211 is 1120001200212.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2120021000211 - 2¹⁴ = 2120020983827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120021000213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353336833366 + ... + 353336833371.

It is an arithmetic number, because the mean of its divisors is an integer number (706673666738).

Almost surely, 2^{2120021000211} is an apocalyptic number.

2120021000211 is a deficient number, since it is larger than the sum of its proper divisors (706673666741).

2120021000211 is an equidigital number, since it uses as much as digits as its factorization.

2120021000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706673666740.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2120021000211 its reverse (1120001200212), we get a palindrome (3240022200423).

The spelling of 2120021000211 in words is "two trillion, one hundred twenty billion, twenty-one million, two hundred eleven", and thus it is an aban number.