1311132002221 has 8 divisors (see below), whose sum is σ = 1368180708480. Its totient is φ = 1254086876592.

The previous prime is 1311132002153. The next prime is 1311132002239. The reversal of 1311132002221 is 1222002311131.

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 1311132002221 - 2¹⁵ = 1311131969453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311132012221) 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, 133065 + ... + 1624798.

It is an arithmetic number, because the mean of its divisors is an integer number (171022588560).

Almost surely, 2^{1311132002221} is an apocalyptic number.

It is an amenable number.

1311132002221 is a deficient number, since it is larger than the sum of its proper divisors (57048706259).

1311132002221 is a wasteful number, since it uses less digits than its factorization.

1311132002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790315.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1311132002221 its reverse (1222002311131), we get a palindrome (2533134313352).

The spelling of 1311132002221 in words is "one trillion, three hundred eleven billion, one hundred thirty-two million, two thousand, two hundred twenty-one".