2121211030 has 32 divisors (see below), whose sum is σ = 3846196224. Its totient is φ = 842282496.

The previous prime is 2121211021. The next prime is 2121211033. The reversal of 2121211030 is 301121212.

It is a super-3 number, since 3×2121211030³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2121211030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121211033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 891202 + ... + 893578.

It is an arithmetic number, because the mean of its divisors is an integer number (120193632).

Almost surely, 2^2121211030 is an apocalyptic number.

2121211030 is a deficient number, since it is larger than the sum of its proper divisors (1724985194).

2121211030 is a wasteful number, since it uses less digits than its factorization.

2121211030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2121211030 is about 46056.6068007620. The cubic root of 2121211030 is about 1284.8762223884.

Adding to 2121211030 its reverse (301121212), we get a palindrome (2422332242).

The spelling of 2121211030 in words is "two billion, one hundred twenty-one million, two hundred eleven thousand, thirty".