10102223021 has 24 divisors (see below), whose sum is σ = 11905656480. Its totient is φ = 8496953600.

The previous prime is 10102223011. The next prime is 10102223057. The reversal of 10102223021 is 12032220101.

It is a happy number.

It is not a de Polignac number, because 10102223021 - 2¹⁸ = 10101960877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10102222987 and 10102223005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102223011) 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, 160631 + ... + 214491.

It is an arithmetic number, because the mean of its divisors is an integer number (496069020).

Almost surely, 2^10102223021 is an apocalyptic number.

10102223021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10102223021 is a deficient number, since it is larger than the sum of its proper divisors (1803433459).

10102223021 is a wasteful number, since it uses less digits than its factorization.

10102223021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53965 (or 53948 counting only the distinct ones).

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

Adding to 10102223021 its reverse (12032220101), we get a palindrome (22134443122).

The spelling of 10102223021 in words is "ten billion, one hundred two million, two hundred twenty-three thousand, twenty-one".