2121333311323 has 8 divisors (see below), whose sum is σ = 2215927613088. Its totient is φ = 2026935877824.

The previous prime is 2121333311311. The next prime is 2121333311329. The reversal of 2121333311323 is 3231133331212.

It is a happy number.

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 2121333311323 - 2⁵ = 2121333311291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121333311291 and 2121333311300.

It is not an unprimeable number, because it can be changed into a prime (2121333311329) 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, 49195036 + ... + 49238137.

It is an arithmetic number, because the mean of its divisors is an integer number (276990951636).

Almost surely, 2^{2121333311323} is an apocalyptic number.

2121333311323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2121333311323 is a deficient number, since it is larger than the sum of its proper divisors (94594301765).

2121333311323 is an equidigital number, since it uses as much as digits as its factorization.

2121333311323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98434133.

The product of its digits is 5832, while the sum is 28.

Adding to 2121333311323 its reverse (3231133331212), we get a palindrome (5352466642535).

The spelling of 2121333311323 in words is "two trillion, one hundred twenty-one billion, three hundred thirty-three million, three hundred eleven thousand, three hundred twenty-three".