1331002022111 has 8 divisors (see below), whose sum is σ = 1338726468720. Its totient is φ = 1323277929792.

The previous prime is 1331002022101. The next prime is 1331002022123. The reversal of 1331002022111 is 1112202001331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331002022111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1331002022111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331002022101) 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, 13239611 + ... + 13339763.

It is an arithmetic number, because the mean of its divisors is an integer number (167340808590).

Almost surely, 2^{1331002022111} is an apocalyptic number.

1331002022111 is a deficient number, since it is larger than the sum of its proper divisors (7724446609).

1331002022111 is a wasteful number, since it uses less digits than its factorization.

1331002022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177145.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1331002022111 its reverse (1112202001331), we get a palindrome (2443204023442).

The spelling of 1331002022111 in words is "one trillion, three hundred thirty-one billion, two million, twenty-two thousand, one hundred eleven".