133220221010 has 32 divisors (see below), whose sum is σ = 241062661440. Its totient is φ = 53007121728.

The previous prime is 133220220961. The next prime is 133220221021. The reversal of 133220221010 is 10122022331.

It is a self number, because there is not a number n which added to its sum of digits gives 133220221010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2545769 + ... + 2597571.

It is an arithmetic number, because the mean of its divisors is an integer number (7533208170).

Almost surely, 2^133220221010 is an apocalyptic number.

133220221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133220221010 is a deficient number, since it is larger than the sum of its proper divisors (107842440430).

133220221010 is a wasteful number, since it uses less digits than its factorization.

133220221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53162.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 133220221010 its reverse (10122022331), we get a palindrome (143342243341).

The spelling of 133220221010 in words is "one hundred thirty-three billion, two hundred twenty million, two hundred twenty-one thousand, ten".