2121233313211 has 8 divisors (see below), whose sum is σ = 2214465649920. Its totient is φ = 2028084709992.

The previous prime is 2121233313197. The next prime is 2121233313253. The reversal of 2121233313211 is 1123133321212.

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 2121233313211 - 2³¹ = 2119085829563 is a prime.

It is a super-2 number, since 2×2121233313211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121233313011) 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, 20881591 + ... + 20982928.

It is an arithmetic number, because the mean of its divisors is an integer number (276808206240).

Almost surely, 2^{2121233313211} is an apocalyptic number.

2121233313211 is a deficient number, since it is larger than the sum of its proper divisors (93232336709).

2121233313211 is a wasteful number, since it uses less digits than its factorization.

2121233313211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41866745.

The product of its digits is 1296, while the sum is 25.

Adding to 2121233313211 its reverse (1123133321212), we get a palindrome (3244366634423).

The spelling of 2121233313211 in words is "two trillion, one hundred twenty-one billion, two hundred thirty-three million, three hundred thirteen thousand, two hundred eleven".