210013203101021 has 8 divisors (see below), whose sum is σ = 213976834635744. Its totient is φ = 206049612983760.

The previous prime is 210013203101011. The next prime is 210013203101027. The reversal of 210013203101021 is 120101302310012.

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 210013203101021 - 2⁶ = 210013203100957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210013203101027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20975 + ... + 20494556.

It is an arithmetic number, because the mean of its divisors is an integer number (26747104329468).

Almost surely, 2^{210013203101021} is an apocalyptic number.

It is an amenable number.

210013203101021 is a deficient number, since it is larger than the sum of its proper divisors (3963631534723).

210013203101021 is a wasteful number, since it uses less digits than its factorization.

210013203101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20708731.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 210013203101021 its reverse (120101302310012), we get a palindrome (330114505411033).

The spelling of 210013203101021 in words is "two hundred ten trillion, thirteen billion, two hundred three million, one hundred one thousand, twenty-one".