10302211121 has 4 divisors (see below), whose sum is σ = 10634540544. Its totient is φ = 9969881700.

The previous prime is 10302211091. The next prime is 10302211133. The reversal of 10302211121 is 12111220301.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12111220301 = 7829 ⋅1546969.

It is a cyclic number.

It is not a de Polignac number, because 10302211121 - 2¹⁸ = 10301948977 is a prime.

It is a super-2 number, since 2×10302211121² (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 = 10302211096 and 10302211105.

It is not an unprimeable number, because it can be changed into a prime (10302211151) 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, 166164665 + ... + 166164726.

It is an arithmetic number, because the mean of its divisors is an integer number (2658635136).

Almost surely, 2^10302211121 is an apocalyptic number.

It is an amenable number.

10302211121 is a deficient number, since it is larger than the sum of its proper divisors (332329423).

10302211121 is an equidigital number, since it uses as much as digits as its factorization.

10302211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332329422.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10302211121 its reverse (12111220301), we get a palindrome (22413431422).

The spelling of 10302211121 in words is "ten billion, three hundred two million, two hundred eleven thousand, one hundred twenty-one".