10302203021 has 16 divisors (see below), whose sum is σ = 11406168576. Its totient is φ = 9226350000.

The previous prime is 10302202993. The next prime is 10302203029. The reversal of 10302203021 is 12030220301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10302203021 - 2¹⁸ = 10301940877 is a prime.

It is a super-2 number, since 2×10302203021² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10302202987 and 10302203005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10302203029) 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, 1128686 + ... + 1137776.

It is an arithmetic number, because the mean of its divisors is an integer number (712885536).

Almost surely, 2^10302203021 is an apocalyptic number.

10302203021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10302203021 is a deficient number, since it is larger than the sum of its proper divisors (1103965555).

10302203021 is a wasteful number, since it uses less digits than its factorization.

10302203021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10624.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 10302203021 its reverse (12030220301), we get a palindrome (22332423322).

The spelling of 10302203021 in words is "ten billion, three hundred two million, two hundred three thousand, twenty-one".