210013211101021 has 8 divisors (see below), whose sum is σ = 210042937868288. Its totient is φ = 209983485348000.

The previous prime is 210013211101013. The next prime is 210013211101079. The reversal of 210013211101021 is 120101112310012.

It is a happy number.

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 210013211101021 - 2³ = 210013211101013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210013211100986 and 210013211101004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210013211102021) 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 7 ways as a sum of consecutive naturals, for example, 476258281 + ... + 476699041.

It is an arithmetic number, because the mean of its divisors is an integer number (26255367233536).

Almost surely, 2^{210013211101021} is an apocalyptic number.

It is an amenable number.

210013211101021 is a deficient number, since it is larger than the sum of its proper divisors (29726767267).

210013211101021 is an equidigital number, since it uses as much as digits as its factorization.

210013211101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507123.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 210013211101021 its reverse (120101112310012), we get a palindrome (330114323411033).

The spelling of 210013211101021 in words is "two hundred ten trillion, thirteen billion, two hundred eleven million, one hundred one thousand, twenty-one".