1331114001221 has 8 divisors (see below), whose sum is σ = 1350544881504. Its totient is φ = 1311763915440.

The previous prime is 1331114001211. The next prime is 1331114001227. The reversal of 1331114001221 is 1221004111331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1331114001221 - 2⁶ = 1331114001157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1331114001193 and 1331114001202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331114001227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20165435 + ... + 20231336.

It is an arithmetic number, because the mean of its divisors is an integer number (168818110188).

Almost surely, 2^{1331114001221} is an apocalyptic number.

It is an amenable number.

1331114001221 is a deficient number, since it is larger than the sum of its proper divisors (19430880283).

1331114001221 is an equidigital number, since it uses as much as digits as its factorization.

1331114001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40397251.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1331114001221 its reverse (1221004111331), we get a palindrome (2552118112552).

The spelling of 1331114001221 in words is "one trillion, three hundred thirty-one billion, one hundred fourteen million, one thousand, two hundred twenty-one".