213111322001 has 8 divisors (see below), whose sum is σ = 213473104608. Its totient is φ = 212749632000.

The previous prime is 213111321991. The next prime is 213111322063. The reversal of 213111322001 is 100223111312.

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 213111322001 - 2¹⁸ = 213111059857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213113322001) 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, 5809046 + ... + 5845616.

It is an arithmetic number, because the mean of its divisors is an integer number (26684138076).

Almost surely, 2^213111322001 is an apocalyptic number.

It is an amenable number.

213111322001 is a deficient number, since it is larger than the sum of its proper divisors (361782607).

213111322001 is an equidigital number, since it uses as much as digits as its factorization.

213111322001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46303.

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

Adding to 213111322001 its reverse (100223111312), we get a palindrome (313334433313).

The spelling of 213111322001 in words is "two hundred thirteen billion, one hundred eleven million, three hundred twenty-two thousand, one".