1331201103322 has 4 divisors (see below), whose sum is σ = 1996801654986. Its totient is φ = 665600551660.

The previous prime is 1331201103319. The next prime is 1331201103329. The reversal of 1331201103322 is 2233011021331.

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

It can be written as a sum of positive squares in only one way, i.e., 1286929156041 + 44271947281 = 1134429^2 + 210409^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1331201103293 and 1331201103302.

It is not an unprimeable number, because it can be changed into a prime (1331201103329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332800275829 + ... + 332800275832.

Almost surely, 2^{1331201103322} is an apocalyptic number.

1331201103322 is a deficient number, since it is larger than the sum of its proper divisors (665600551664).

1331201103322 is an equidigital number, since it uses as much as digits as its factorization.

1331201103322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665600551663.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1331201103322 its reverse (2233011021331), we get a palindrome (3564212124653).

The spelling of 1331201103322 in words is "one trillion, three hundred thirty-one billion, two hundred one million, one hundred three thousand, three hundred twenty-two".