213010021021103 has 16 divisors (see below), whose sum is σ = 217046897454720. Its totient is φ = 208990746432000.

The previous prime is 213010021021087. The next prime is 213010021021181. The reversal of 213010021021103 is 301120120010312.

It is a cyclic number.

It is not a de Polignac number, because 213010021021103 - 2⁴ = 213010021021087 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 (213010021020103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1550685338 + ... + 1550822696.

It is an arithmetic number, because the mean of its divisors is an integer number (13565431090920).

Almost surely, 2^{213010021021103} is an apocalyptic number.

213010021021103 is a deficient number, since it is larger than the sum of its proper divisors (4036876433617).

213010021021103 is a wasteful number, since it uses less digits than its factorization.

213010021021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201218.

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

Adding to 213010021021103 its reverse (301120120010312), we get a palindrome (514130141031415).

The spelling of 213010021021103 in words is "two hundred thirteen trillion, ten billion, twenty-one million, twenty-one thousand, one hundred three".