10302113032221 has 4 divisors (see below), whose sum is σ = 13736150709632. Its totient is φ = 6868075354812.

The previous prime is 10302113032199. The next prime is 10302113032243. The reversal of 10302113032221 is 12223031120301.

10302113032221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (10302113032199) and next prime (10302113032243).

It is not a de Polignac number, because 10302113032221 - 2⁹ = 10302113031709 is a prime.

It is a super-2 number, since 2×10302113032221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10302113032261) 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, 1717018838701 + ... + 1717018838706.

It is an arithmetic number, because the mean of its divisors is an integer number (3434037677408).

Almost surely, 2^{10302113032221} is an apocalyptic number.

It is an amenable number.

10302113032221 is a deficient number, since it is larger than the sum of its proper divisors (3434037677411).

10302113032221 is an equidigital number, since it uses as much as digits as its factorization.

10302113032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434037677410.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 10302113032221 its reverse (12223031120301), we get a palindrome (22525144152522).

The spelling of 10302113032221 in words is "ten trillion, three hundred two billion, one hundred thirteen million, thirty-two thousand, two hundred twenty-one".