2121002212333 has 4 divisors (see below), whose sum is σ = 2142868214620. Its totient is φ = 2099136210048.

The previous prime is 2121002212291. The next prime is 2121002212349. The reversal of 2121002212333 is 3332122001212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 988220892649 + 1132781319684 = 994093^2 + 1064322^2 .

It is a cyclic number.

It is not a de Polignac number, because 2121002212333 - 2¹³ = 2121002204141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121002212393) 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, 10933000998 + ... + 10933001191.

It is an arithmetic number, because the mean of its divisors is an integer number (535717053655).

Almost surely, 2^{2121002212333} is an apocalyptic number.

It is an amenable number.

2121002212333 is a deficient number, since it is larger than the sum of its proper divisors (21866002287).

2121002212333 is an equidigital number, since it uses as much as digits as its factorization.

2121002212333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21866002286.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2121002212333 its reverse (3332122001212), we get a palindrome (5453124213545).

The spelling of 2121002212333 in words is "two trillion, one hundred twenty-one billion, two million, two hundred twelve thousand, three hundred thirty-three".