1321211313322 has 16 divisors (see below), whose sum is σ = 2009609533512. Its totient is φ = 651347274240.

The previous prime is 1321211313319. The next prime is 1321211313341. The reversal of 1321211313322 is 2233131121231.

It can be written as a sum of positive squares in 4 ways, for example, as 483526920321 + 837684393001 = 695361^2 + 915251^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 994093 + ... + 1905424.

Almost surely, 2^{1321211313322} is an apocalyptic number.

1321211313322 is a deficient number, since it is larger than the sum of its proper divisors (688398220190).

1321211313322 is a wasteful number, since it uses less digits than its factorization.

1321211313322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902713.

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

Adding to 1321211313322 its reverse (2233131121231), we get a palindrome (3554342434553).

The spelling of 1321211313322 in words is "one trillion, three hundred twenty-one billion, two hundred eleven million, three hundred thirteen thousand, three hundred twenty-two".