10100322032221 has 4 divisors (see below), whose sum is σ = 10105441305372. Its totient is φ = 10095202759072.

The previous prime is 10100322032191. The next prime is 10100322032231. The reversal of 10100322032221 is 12223022300101.

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 6497329628196 + 3602992404025 = 2548986^2 + 1898155^2 .

It is a cyclic number.

It is not a de Polignac number, because 10100322032221 - 2⁷ = 10100322032093 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 (10100322032231) 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, 2559633616 + ... + 2559637561.

It is an arithmetic number, because the mean of its divisors is an integer number (2526360326343).

Almost surely, 2^{10100322032221} is an apocalyptic number.

It is an amenable number.

10100322032221 is a deficient number, since it is larger than the sum of its proper divisors (5119273151).

10100322032221 is an equidigital number, since it uses as much as digits as its factorization.

10100322032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5119273150.

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

Adding to 10100322032221 its reverse (12223022300101), we get a palindrome (22323344332322).

The spelling of 10100322032221 in words is "ten trillion, one hundred billion, three hundred twenty-two million, thirty-two thousand, two hundred twenty-one".