10102045221 has 16 divisors (see below), whose sum is σ = 14986608000. Its totient is φ = 6725420064.

The previous prime is 10102045207. The next prime is 10102045241. The reversal of 10102045221 is 12254020101.

It is not a de Polignac number, because 10102045221 - 2⁹ = 10102044709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10102045194 and 10102045203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102045241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237696 + ... + 276953.

It is an arithmetic number, because the mean of its divisors is an integer number (936663000).

Almost surely, 2^10102045221 is an apocalyptic number.

It is an amenable number.

10102045221 is a deficient number, since it is larger than the sum of its proper divisors (4884562779).

10102045221 is an equidigital number, since it uses as much as digits as its factorization.

10102045221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515385 (or 515379 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 10102045221 its reverse (12254020101), we get a palindrome (22356065322).

The spelling of 10102045221 in words is "ten billion, one hundred two million, forty-five thousand, two hundred twenty-one".