10201022321 has 24 divisors (see below), whose sum is σ = 12037654440. Its totient is φ = 8618400000.

The previous prime is 10201022287. The next prime is 10201022371. The reversal of 10201022321 is 12322010201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4954048225 + 5246974096 = 70385^2 + 72436^2 .

It is not a de Polignac number, because 10201022321 - 2¹⁰ = 10201021297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10201022296 and 10201022305.

It is not an unprimeable number, because it can be changed into a prime (10201022371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1128821 + ... + 1137821.

It is an arithmetic number, because the mean of its divisors is an integer number (501568935).

Almost surely, 2^10201022321 is an apocalyptic number.

It is an amenable number.

10201022321 is a deficient number, since it is larger than the sum of its proper divisors (1836632119).

10201022321 is a wasteful number, since it uses less digits than its factorization.

10201022321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9345 (or 9338 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10201022321 its reverse (12322010201), we get a palindrome (22523032522).

The spelling of 10201022321 in words is "ten billion, two hundred one million, twenty-two thousand, three hundred twenty-one".