210011210012021 has 16 divisors (see below), whose sum is σ = 232422274281600. Its totient is φ = 188167130342400.

The previous prime is 210011210012011. The next prime is 210011210012027. The reversal of 210011210012021 is 120210012110012.

It is not a de Polignac number, because 210011210012021 - 2¹⁰ = 210011210010997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210011210011987 and 210011210012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210011210012027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344576636 + ... + 345185573.

It is an arithmetic number, because the mean of its divisors is an integer number (14526392142600).

Almost surely, 2^{210011210012021} is an apocalyptic number.

It is an amenable number.

210011210012021 is a deficient number, since it is larger than the sum of its proper divisors (22411064269579).

210011210012021 is a wasteful number, since it uses less digits than its factorization.

210011210012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689762620.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210011210012021 its reverse (120210012110012), we get a palindrome (330221222122033).

The spelling of 210011210012021 in words is "two hundred ten trillion, eleven billion, two hundred ten million, twelve thousand, twenty-one".