1331121022301 has 16 divisors (see below), whose sum is σ = 1555438800000. Its totient is φ = 1138674235104.

The previous prime is 1331121022291. The next prime is 1331121022321. The reversal of 1331121022301 is 1032201211331.

It is a happy number.

It is not a de Polignac number, because 1331121022301 - 2¹⁰ = 1331121021277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331121022321) 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, 3717440 + ... + 4059753.

It is an arithmetic number, because the mean of its divisors is an integer number (97214925000).

Almost surely, 2^{1331121022301} is an apocalyptic number.

It is an amenable number.

1331121022301 is a deficient number, since it is larger than the sum of its proper divisors (224317777699).

1331121022301 is an frugal number, since it uses more digits than its factorization.

1331121022301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7777713 (or 7777699 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1331121022301 its reverse (1032201211331), we get a palindrome (2363322233632).

The spelling of 1331121022301 in words is "one trillion, three hundred thirty-one billion, one hundred twenty-one million, twenty-two thousand, three hundred one".