213311301121 has 4 divisors (see below), whose sum is σ = 216495051952. Its totient is φ = 210127550292.

The previous prime is 213311301113. The next prime is 213311301139. The reversal of 213311301121 is 121103113312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213311301121 - 2³ = 213311301113 is a prime.

It is a super-3 number, since 3×213311301121³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213311305121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1591875315 + ... + 1591875448.

It is an arithmetic number, because the mean of its divisors is an integer number (54123762988).

Almost surely, 2^213311301121 is an apocalyptic number.

It is an amenable number.

213311301121 is a deficient number, since it is larger than the sum of its proper divisors (3183750831).

213311301121 is an equidigital number, since it uses as much as digits as its factorization.

213311301121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183750830.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 213311301121 its reverse (121103113312), we get a palindrome (334414414433).

The spelling of 213311301121 in words is "two hundred thirteen billion, three hundred eleven million, three hundred one thousand, one hundred twenty-one".