133121232133110 has 128 divisors (see below), whose sum is σ = 390430848245760. Its totient is φ = 32071105312128.

The previous prime is 133121232133081. The next prime is 133121232133111. The reversal of 133121232133110 is 11331232121331.

133121232133110 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 2 + 1 + 2 + 321 + 331 + 1 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133121232133111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 403306062 + ... + 403636001.

It is an arithmetic number, because the mean of its divisors is an integer number (3050241001920).

Almost surely, 2^{133121232133110} is an apocalyptic number.

133121232133110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133121232133110 is an abundant number, since it is smaller than the sum of its proper divisors (257309616112650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133121232133110 is a wasteful number, since it uses less digits than its factorization.

133121232133110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806942139 (or 806942133 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 133121232133110 its reverse (11331232121331), we get a palindrome (144452464254441).

The spelling of 133121232133110 in words is "one hundred thirty-three trillion, one hundred twenty-one billion, two hundred thirty-two million, one hundred thirty-three thousand, one hundred ten".