221133031010 has 8 divisors (see below), whose sum is σ = 398039455836. Its totient is φ = 88453212400.

The previous prime is 221133031003. The next prime is 221133031013. The reversal of 221133031010 is 10130331122.

221133031010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 216237090169 + 4895940841 = 465013^2 + 69971^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 221133031010.

It is not an unprimeable number, because it can be changed into a prime (221133031013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11056651541 + ... + 11056651560.

Almost surely, 2^221133031010 is an apocalyptic number.

221133031010 is a deficient number, since it is larger than the sum of its proper divisors (176906424826).

221133031010 is a wasteful number, since it uses less digits than its factorization.

221133031010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22113303108.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 221133031010 its reverse (10130331122), we get a palindrome (231263362132).

The spelling of 221133031010 in words is "two hundred twenty-one billion, one hundred thirty-three million, thirty-one thousand, ten".