2121213233333 has 8 divisors (see below), whose sum is σ = 2154445356096. Its totient is φ = 2088074329600.

The previous prime is 2121213233317. The next prime is 2121213233351. The reversal of 2121213233333 is 3333323121212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2121213233333 - 2⁴ = 2121213233317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121213233296 and 2121213233305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121213236333) 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, 23258891 + ... + 23349912.

It is an arithmetic number, because the mean of its divisors is an integer number (269305669512).

Almost surely, 2^{2121213233333} is an apocalyptic number.

It is an amenable number.

2121213233333 is a deficient number, since it is larger than the sum of its proper divisors (33232122763).

2121213233333 is an equidigital number, since it uses as much as digits as its factorization.

2121213233333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46609515.

The product of its digits is 11664, while the sum is 29.

Adding to 2121213233333 its reverse (3333323121212), we get a palindrome (5454536354545).

The spelling of 2121213233333 in words is "two trillion, one hundred twenty-one billion, two hundred thirteen million, two hundred thirty-three thousand, three hundred thirty-three".