2231020211 has 16 divisors (see below), whose sum is σ = 2706048000. Its totient is φ = 1795597440.

The previous prime is 2231020201. The next prime is 2231020249. The reversal of 2231020211 is 1120201322.

It is a happy number.

It is not a de Polignac number, because 2231020211 - 2¹⁰ = 2231019187 is a prime.

It is a super-3 number, since 3×2231020211³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231020201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29540 + ... + 73038.

It is an arithmetic number, because the mean of its divisors is an integer number (169128000).

Almost surely, 2^2231020211 is an apocalyptic number.

2231020211 is a deficient number, since it is larger than the sum of its proper divisors (475027789).

2231020211 is a wasteful number, since it uses less digits than its factorization.

2231020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43954.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2231020211 is about 47233.6766618903. The cubic root of 2231020211 is about 1306.6757607381.

Adding to 2231020211 its reverse (1120201322), we get a palindrome (3351221533).

The spelling of 2231020211 in words is "two billion, two hundred thirty-one million, twenty thousand, two hundred eleven".