133131111101 has 8 divisors (see below), whose sum is σ = 142164480000. Its totient is φ = 124393918320.

The previous prime is 133131111019. The next prime is 133131111107. The reversal of 133131111101 is 101111131331.

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 133131111101 - 2²⁶ = 133064002237 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 133131111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133131111107) 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, 74043101 + ... + 74044898.

It is an arithmetic number, because the mean of its divisors is an integer number (17770560000).

Almost surely, 2^133131111101 is an apocalyptic number.

It is an amenable number.

133131111101 is a deficient number, since it is larger than the sum of its proper divisors (9033368899).

133131111101 is a wasteful number, since it uses less digits than its factorization.

133131111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148088059.

The product of its (nonzero) digits is 27, while the sum is 17.

Adding to 133131111101 its reverse (101111131331), we get a palindrome (234242242432).

The spelling of 133131111101 in words is "one hundred thirty-three billion, one hundred thirty-one million, one hundred eleven thousand, one hundred one".