133011222220 has 12 divisors (see below), whose sum is σ = 279323566704. Its totient is φ = 53204488880.

The previous prime is 133011222199. The next prime is 133011222229. The reversal of 133011222220 is 22222110331.

133011222220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (133011222229) 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, 3325280536 + ... + 3325280575.

It is an arithmetic number, because the mean of its divisors is an integer number (23276963892).

Almost surely, 2^133011222220 is an apocalyptic number.

133011222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133011222220 is an abundant number, since it is smaller than the sum of its proper divisors (146312344484).

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

133011222220 is a wasteful number, since it uses less digits than its factorization.

133011222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6650561120 (or 6650561118 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 133011222220 its reverse (22222110331), we get a palindrome (155233332551).

The spelling of 133011222220 in words is "one hundred thirty-three billion, eleven million, two hundred twenty-two thousand, two hundred twenty".