1332311223221 has 16 divisors (see below), whose sum is σ = 1458278995968. Its totient is φ = 1207154995200.

The previous prime is 1332311223181. The next prime is 1332311223223. The reversal of 1332311223221 is 1223221132331.

It is a de Polignac number, because none of the positive numbers 2^k-1332311223221 is a prime.

It is a super-2 number, since 2×1332311223221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332311223223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7746956 + ... + 7917066.

It is an arithmetic number, because the mean of its divisors is an integer number (91142437248).

Almost surely, 2^{1332311223221} is an apocalyptic number.

1332311223221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1332311223221 is a deficient number, since it is larger than the sum of its proper divisors (125967772747).

1332311223221 is a wasteful number, since it uses less digits than its factorization.

1332311223221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172492.

The product of its digits is 2592, while the sum is 26.

Adding to 1332311223221 its reverse (1223221132331), we get a palindrome (2555532355552).

The spelling of 1332311223221 in words is "one trillion, three hundred thirty-two billion, three hundred eleven million, two hundred twenty-three thousand, two hundred twenty-one".