2121330331322 has 8 divisors (see below), whose sum is σ = 3183786158196. Its totient is φ = 1060068278592.

The previous prime is 2121330331319. The next prime is 2121330331357. The reversal of 2121330331322 is 2231330331212.

It can be written as a sum of positive squares in 2 ways, for example, as 1864614829081 + 256715502241 = 1365509^2 + 506671^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2121330331291 and 2121330331300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298439093 + ... + 298446200.

Almost surely, 2^{2121330331322} is an apocalyptic number.

2121330331322 is a deficient number, since it is larger than the sum of its proper divisors (1062455826874).

2121330331322 is a wasteful number, since it uses less digits than its factorization.

2121330331322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596887072.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 2121330331322 its reverse (2231330331212), we get a palindrome (4352660662534).

The spelling of 2121330331322 in words is "two trillion, one hundred twenty-one billion, three hundred thirty million, three hundred thirty-one thousand, three hundred twenty-two".