10230202121 has 4 divisors (see below), whose sum is σ = 10231839744. Its totient is φ = 10228564500.

The previous prime is 10230202067. The next prime is 10230202123. The reversal of 10230202121 is 12120203201.

It is a happy number.

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: 12120203201 = 223 ⋅54350687.

It is a cyclic number.

It is not a de Polignac number, because 10230202121 - 2²⁶ = 10163093257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10230202096 and 10230202105.

It is not an unprimeable number, because it can be changed into a prime (10230202123) 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, 809405 + ... + 821946.

It is an arithmetic number, because the mean of its divisors is an integer number (2557959936).

Almost surely, 2^10230202121 is an apocalyptic number.

It is an amenable number.

10230202121 is a deficient number, since it is larger than the sum of its proper divisors (1637623).

10230202121 is an equidigital number, since it uses as much as digits as its factorization.

10230202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637622.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10230202121 its reverse (12120203201), we get a palindrome (22350405322).

The spelling of 10230202121 in words is "ten billion, two hundred thirty million, two hundred two thousand, one hundred twenty-one".