10252400221321 has 16 divisors (see below), whose sum is σ = 10333527837120. Its totient is φ = 10171502475840.

The previous prime is 10252400221319. The next prime is 10252400221333. The reversal of 10252400221321 is 12312200425201.

It is not a de Polignac number, because 10252400221321 - 2¹ = 10252400221319 is a prime.

It is a super-2 number, since 2×10252400221321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10252400221391) 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 15 ways as a sum of consecutive naturals, for example, 602329791 + ... + 602346811.

It is an arithmetic number, because the mean of its divisors is an integer number (645845489820).

Almost surely, 2^{10252400221321} is an apocalyptic number.

It is an amenable number.

10252400221321 is a deficient number, since it is larger than the sum of its proper divisors (81127615799).

10252400221321 is a wasteful number, since it uses less digits than its factorization.

10252400221321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23496.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 10252400221321 its reverse (12312200425201), we get a palindrome (22564600646522).

The spelling of 10252400221321 in words is "ten trillion, two hundred fifty-two billion, four hundred million, two hundred twenty-one thousand, three hundred twenty-one".