213122003001 has 8 divisors (see below), whose sum is σ = 288978987360. Its totient is φ = 139673176992.

The previous prime is 213122002999. The next prime is 213122003027. The reversal of 213122003001 is 100300221312.

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

It is not a de Polignac number, because 213122003001 - 2¹ = 213122002999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213122003071) 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, 602039380 + ... + 602039733.

It is an arithmetic number, because the mean of its divisors is an integer number (36122373420).

Almost surely, 2^213122003001 is an apocalyptic number.

It is an amenable number.

213122003001 is a deficient number, since it is larger than the sum of its proper divisors (75856984359).

213122003001 is a wasteful number, since it uses less digits than its factorization.

213122003001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204079175.

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

Adding to 213122003001 its reverse (100300221312), we get a palindrome (313422224313).

The spelling of 213122003001 in words is "two hundred thirteen billion, one hundred twenty-two million, three thousand, one".