1331321101012 has 36 divisors (see below), whose sum is σ = 2711864020320. Its totient is φ = 570213631344.

The previous prime is 1331321101009. The next prime is 1331321101051. The reversal of 1331321101012 is 2101011231331.

It is a super-3 number, since 3×1331321101012³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1780408 + ... + 2415055.

It is an arithmetic number, because the mean of its divisors is an integer number (75329556120).

Almost surely, 2^{1331321101012} is an apocalyptic number.

It is an amenable number.

1331321101012 is an abundant number, since it is smaller than the sum of its proper divisors (1380542919308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331321101012 is a wasteful number, since it uses less digits than its factorization.

1331321101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4197100 (or 4197091 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1331321101012 its reverse (2101011231331), we get a palindrome (3432332332343).

The spelling of 1331321101012 in words is "one trillion, three hundred thirty-one billion, three hundred twenty-one million, one hundred one thousand, twelve".