10133022231221 has 4 divisors (see below), whose sum is σ = 10148352068844. Its totient is φ = 10117692393600.

The previous prime is 10133022231217. The next prime is 10133022231229. The reversal of 10133022231221 is 12213222033101.

10133022231221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8954308140625 + 1178714090596 = 2992375^2 + 1085686^2 .

It is a cyclic number.

It is not a de Polignac number, because 10133022231221 - 2² = 10133022231217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10133022231229) 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, 7664917820 + ... + 7664919141.

It is an arithmetic number, because the mean of its divisors is an integer number (2537088017211).

Almost surely, 2^{10133022231221} is an apocalyptic number.

It is an amenable number.

10133022231221 is a deficient number, since it is larger than the sum of its proper divisors (15329837623).

10133022231221 is an equidigital number, since it uses as much as digits as its factorization.

10133022231221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15329837622.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 10133022231221 its reverse (12213222033101), we get a palindrome (22346244264322).

The spelling of 10133022231221 in words is "ten trillion, one hundred thirty-three billion, twenty-two million, two hundred thirty-one thousand, two hundred twenty-one".