2021130212211 has 48 divisors (see below), whose sum is σ = 3480932302848. Its totient is φ = 1115683372800.

The previous prime is 2021130212117. The next prime is 2021130212261. The reversal of 2021130212211 is 1122120311202.

2021130212211 is a `hidden beast` number, since 2 + 0 + 211 + 30 + 212 + 211 = 666.

It is not a de Polignac number, because 2021130212211 - 2¹⁸ = 2021129950067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021130212261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19317331 + ... + 19421676.

It is an arithmetic number, because the mean of its divisors is an integer number (72519422976).

Almost surely, 2^{2021130212211} is an apocalyptic number.

2021130212211 is a deficient number, since it is larger than the sum of its proper divisors (1459802090637).

2021130212211 is a wasteful number, since it uses less digits than its factorization.

2021130212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38739072 (or 38739069 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2021130212211 its reverse (1122120311202), we get a palindrome (3143250523413).

The spelling of 2021130212211 in words is "two trillion, twenty-one billion, one hundred thirty million, two hundred twelve thousand, two hundred eleven".