133203233111 has 4 divisors (see below), whose sum is σ = 143449635672. Its totient is φ = 122956830552.

The previous prime is 133203233029. The next prime is 133203233123. The reversal of 133203233111 is 111332302331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133203233111 - 2³⁰ = 132129491287 is a prime.

It is a super-2 number, since 2×133203233111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133203233161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5123201261 + ... + 5123201286.

It is an arithmetic number, because the mean of its divisors is an integer number (35862408918).

Almost surely, 2^133203233111 is an apocalyptic number.

133203233111 is a deficient number, since it is larger than the sum of its proper divisors (10246402561).

133203233111 is a wasteful number, since it uses less digits than its factorization.

133203233111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10246402560.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 133203233111 its reverse (111332302331), we get a palindrome (244535535442).

The spelling of 133203233111 in words is "one hundred thirty-three billion, two hundred three million, two hundred thirty-three thousand, one hundred eleven".