210212011021 has 8 divisors (see below), whose sum is σ = 222586168320. Its totient is φ = 197838825408.

The previous prime is 210212010989. The next prime is 210212011043. The reversal of 210212011021 is 120110212012.

210212011021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 210212011021 - 2⁵ = 210212010989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210212010992 and 210212011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210212011921) 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 7 ways as a sum of consecutive naturals, for example, 228660 + ... + 687538.

It is an arithmetic number, because the mean of its divisors is an integer number (27823271040).

Almost surely, 2^210212011021 is an apocalyptic number.

It is an amenable number.

210212011021 is a deficient number, since it is larger than the sum of its proper divisors (12374157299).

210212011021 is a wasteful number, since it uses less digits than its factorization.

210212011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485843.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210212011021 its reverse (120110212012), we get a palindrome (330322223033).

The spelling of 210212011021 in words is "two hundred ten billion, two hundred twelve million, eleven thousand, twenty-one".