10302221121 has 4 divisors (see below), whose sum is σ = 13736294832. Its totient is φ = 6868147412.

The previous prime is 10302221107. The next prime is 10302221213. The reversal of 10302221121 is 12112220301.

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 a cyclic number.

It is not a de Polignac number, because 10302221121 - 2¹⁸ = 10301958977 is a prime.

It is a super-2 number, since 2×10302221121² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10302221121.

It is not an unprimeable number, because it can be changed into a prime (10302221621) 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, 1717036851 + ... + 1717036856.

It is an arithmetic number, because the mean of its divisors is an integer number (3434073708).

Almost surely, 2^10302221121 is an apocalyptic number.

It is an amenable number.

10302221121 is a deficient number, since it is larger than the sum of its proper divisors (3434073711).

10302221121 is an equidigital number, since it uses as much as digits as its factorization.

10302221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434073710.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10302221121 its reverse (12112220301), we get a palindrome (22414441422).

The spelling of 10302221121 in words is "ten billion, three hundred two million, two hundred twenty-one thousand, one hundred twenty-one".