2111212020211 has 8 divisors (see below), whose sum is σ = 2413707724800. Its totient is φ = 1808939812488.

The previous prime is 2111212020199. The next prime is 2111212020217. The reversal of 2111212020211 is 1120202121112.

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 2111212020211 - 2⁵ = 2111212020179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111212020217) 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, 55853971 + ... + 55891756.

It is an arithmetic number, because the mean of its divisors is an integer number (301713465600).

Almost surely, 2^{2111212020211} is an apocalyptic number.

2111212020211 is a deficient number, since it is larger than the sum of its proper divisors (302495704589).

2111212020211 is a wasteful number, since it uses less digits than its factorization.

2111212020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111748433.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2111212020211 its reverse (1120202121112), we get a palindrome (3231414141323).

The spelling of 2111212020211 in words is "two trillion, one hundred eleven billion, two hundred twelve million, twenty thousand, two hundred eleven".