213003102021 has 8 divisors (see below), whose sum is σ = 284012166240. Its totient is φ = 141998052912.

The previous prime is 213003102019. The next prime is 213003102031. The reversal of 213003102021 is 120201300312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213003102021 - 2¹ = 213003102019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213003102031) 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, 877731 + ... + 1093808.

It is an arithmetic number, because the mean of its divisors is an integer number (35501520780).

Almost surely, 2^213003102021 is an apocalyptic number.

It is an amenable number.

213003102021 is a deficient number, since it is larger than the sum of its proper divisors (71009064219).

213003102021 is a wasteful number, since it uses less digits than its factorization.

213003102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007555.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 213003102021 its reverse (120201300312), we get a palindrome (333204402333).

The spelling of 213003102021 in words is "two hundred thirteen billion, three million, one hundred two thousand, twenty-one".