133113221111 has 8 divisors (see below), whose sum is σ = 143369074464. Its totient is φ = 122859707040.

The previous prime is 133113221099. The next prime is 133113221113. The reversal of 133113221111 is 111122311331.

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 133113221111 - 2¹⁸ = 133112958967 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 (133113221113) 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, 465731 + ... + 695076.

It is an arithmetic number, because the mean of its divisors is an integer number (17921134308).

Almost surely, 2^133113221111 is an apocalyptic number.

133113221111 is a deficient number, since it is larger than the sum of its proper divisors (10255853353).

133113221111 is a wasteful number, since it uses less digits than its factorization.

133113221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169641.

The product of its digits is 108, while the sum is 20.

Adding to 133113221111 its reverse (111122311331), we get a palindrome (244235532442).

The spelling of 133113221111 in words is "one hundred thirty-three billion, one hundred thirteen million, two hundred twenty-one thousand, one hundred eleven".