10303232121 has 48 divisors (see below), whose sum is σ = 18811962624. Its totient is φ = 5287773312.

The previous prime is 10303232113. The next prime is 10303232129. The reversal of 10303232121 is 12123230301.

10303232121 is a `hidden beast` number, since 10 + 303 + 232 + 121 = 666.

It is an interprime number because it is at equal distance from previous prime (10303232113) and next prime (10303232129).

It is not a de Polignac number, because 10303232121 - 2³ = 10303232113 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 10303232094 and 10303232103.

It is not an unprimeable number, because it can be changed into a prime (10303232129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 139701 + ... + 200306.

It is an arithmetic number, because the mean of its divisors is an integer number (391915888).

Almost surely, 2^10303232121 is an apocalyptic number.

It is an amenable number.

10303232121 is a deficient number, since it is larger than the sum of its proper divisors (8508730503).

10303232121 is a wasteful number, since it uses less digits than its factorization.

10303232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340070 (or 340067 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10303232121 its reverse (12123230301), we get a palindrome (22426462422).

The spelling of 10303232121 in words is "ten billion, three hundred three million, two hundred thirty-two thousand, one hundred twenty-one".