133310221120 has 28 divisors (see below), whose sum is σ = 317444964804. Its totient is φ = 53324088320.

The previous prime is 133310221091. The next prime is 133310221129. The reversal of 133310221120 is 21122013331.

It can be written as a sum of positive squares in 2 ways, for example, as 46925957376 + 86384263744 = 216624^2 + 293912^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133310221129) 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, 208296901 + ... + 208297540.

Almost surely, 2^133310221120 is an apocalyptic number.

133310221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133310221120 is an abundant number, since it is smaller than the sum of its proper divisors (184134743684).

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

133310221120 is an equidigital number, since it uses as much as digits as its factorization.

133310221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416594458 (or 416594448 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 133310221120 its reverse (21122013331), we get a palindrome (154432234451).

The spelling of 133310221120 in words is "one hundred thirty-three billion, three hundred ten million, two hundred twenty-one thousand, one hundred twenty".