10100302221 has 4 divisors (see below), whose sum is σ = 13467069632. Its totient is φ = 6733534812.

The previous prime is 10100302213. The next prime is 10100302229. The reversal of 10100302221 is 12220300101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (10100302213) and next prime (10100302229).

It is not a de Polignac number, because 10100302221 - 2³ = 10100302213 is a prime.

It is a super-2 number, since 2×10100302221² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10100302197 and 10100302206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100302229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1683383701 + ... + 1683383706.

It is an arithmetic number, because the mean of its divisors is an integer number (3366767408).

Almost surely, 2^10100302221 is an apocalyptic number.

It is an amenable number.

10100302221 is a deficient number, since it is larger than the sum of its proper divisors (3366767411).

10100302221 is an equidigital number, since it uses as much as digits as its factorization.

10100302221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366767410.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10100302221 its reverse (12220300101), we get a palindrome (22320602322).

The spelling of 10100302221 in words is "ten billion, one hundred million, three hundred two thousand, two hundred twenty-one".