2120212221211 has 8 divisors (see below), whose sum is σ = 2433499252704. Its totient is φ = 1809525082560.

The previous prime is 2120212221143. The next prime is 2120212221277. The reversal of 2120212221211 is 1121222120212.

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 2120212221211 - 2²³ = 2120203832603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120212221011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649971460 + ... + 649974721.

It is an arithmetic number, because the mean of its divisors is an integer number (304187406588).

Almost surely, 2^{2120212221211} is an apocalyptic number.

2120212221211 is a deficient number, since it is larger than the sum of its proper divisors (313287031493).

2120212221211 is a wasteful number, since it uses less digits than its factorization.

2120212221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299946421.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2120212221211 its reverse (1121222120212), we get a palindrome (3241434341423).

The spelling of 2120212221211 in words is "two trillion, one hundred twenty billion, two hundred twelve million, two hundred twenty-one thousand, two hundred eleven".