133021331112 has 128 divisors (see below), whose sum is σ = 338411520000. Its totient is φ = 43568453376.

The previous prime is 133021331087. The next prime is 133021331143. The reversal of 133021331112 is 211133120331.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261338314 + ... + 261338822.

It is an arithmetic number, because the mean of its divisors is an integer number (2643840000).

Almost surely, 2^133021331112 is an apocalyptic number.

133021331112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133021331112 is an abundant number, since it is smaller than the sum of its proper divisors (205390188888).

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

133021331112 is a wasteful number, since it uses less digits than its factorization.

133021331112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303 (or 1299 counting only the distinct ones).

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

Adding to 133021331112 its reverse (211133120331), we get a palindrome (344154451443).

The spelling of 133021331112 in words is "one hundred thirty-three billion, twenty-one million, three hundred thirty-one thousand, one hundred twelve".