133121303211 has 24 divisors (see below), whose sum is σ = 194064888576. Its totient is φ = 81125422560.

The previous prime is 133121303179. The next prime is 133121303221. The reversal of 133121303211 is 112303121331.

It is a happy number.

It is not a de Polignac number, because 133121303211 - 2⁵ = 133121303179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133121303221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1222375 + ... + 1326816.

It is an arithmetic number, because the mean of its divisors is an integer number (8086037024).

Almost surely, 2^133121303211 is an apocalyptic number.

133121303211 is a deficient number, since it is larger than the sum of its proper divisors (60943585365).

133121303211 is a wasteful number, since it uses less digits than its factorization.

133121303211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549323 (or 2549310 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 133121303211 its reverse (112303121331), we get a palindrome (245424424542).

The spelling of 133121303211 in words is "one hundred thirty-three billion, one hundred twenty-one million, three hundred three thousand, two hundred eleven".