2120303121211 has 12 divisors (see below), whose sum is σ = 2330869319856. Its totient is φ = 1927309928720.

The previous prime is 2120303121169. The next prime is 2120303121227. The reversal of 2120303121211 is 1121213030212.

It is not a de Polignac number, because 2120303121211 - 2⁹ = 2120303120699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120303121011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97255 + ... + 2061568.

It is an arithmetic number, because the mean of its divisors is an integer number (194239109988).

Almost surely, 2^{2120303121211} is an apocalyptic number.

2120303121211 is a deficient number, since it is larger than the sum of its proper divisors (210566198645).

2120303121211 is a wasteful number, since it uses less digits than its factorization.

2120303121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166962 (or 2166951 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2120303121211 its reverse (1121213030212), we get a palindrome (3241516151423).

Subtracting from 2120303121211 its reverse (1121213030212), we obtain a palindrome (999090090999).

The spelling of 2120303121211 in words is "two trillion, one hundred twenty billion, three hundred three million, one hundred twenty-one thousand, two hundred eleven".