331212211133111 has 8 divisors (see below), whose sum is σ = 412939899594624. Its totient is φ = 258087437246520.

The previous prime is 331212211133099. The next prime is 331212211133183. The reversal of 331212211133111 is 111331112212133.

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

It is not a de Polignac number, because 331212211133111 - 2⁶ = 331212211133047 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 (331212211123111) 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, 2150728643645 + ... + 2150728643798.

It is an arithmetic number, because the mean of its divisors is an integer number (51617487449328).

Almost surely, 2^{331212211133111} is an apocalyptic number.

331212211133111 is a deficient number, since it is larger than the sum of its proper divisors (81727688461513).

331212211133111 is a wasteful number, since it uses less digits than its factorization.

331212211133111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301457287461.

The product of its digits is 648, while the sum is 26.

Adding to 331212211133111 its reverse (111331112212133), we get a palindrome (442543323345244).

The spelling of 331212211133111 in words is "three hundred thirty-one trillion, two hundred twelve billion, two hundred eleven million, one hundred thirty-three thousand, one hundred eleven".