1030203032121 has 24 divisors (see below), whose sum is σ = 1502894892096. Its totient is φ = 679961066400.

The previous prime is 1030203032051. The next prime is 1030203032149. The reversal of 1030203032121 is 1212303020301.

1030203032121 is a `hidden beast` number, since 10 + 302 + 0 + 30 + 321 + 2 + 1 = 666.

It is not a de Polignac number, because 1030203032121 - 2⁹ = 1030203031609 is a prime.

It is a super-2 number, since 2×1030203032121² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1030203032094 and 1030203032103.

It is not an unprimeable number, because it can be changed into a prime (1030203030121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25980316 + ... + 26019938.

It is an arithmetic number, because the mean of its divisors is an integer number (62620620504).

Almost surely, 2^{1030203032121} is an apocalyptic number.

It is an amenable number.

1030203032121 is a deficient number, since it is larger than the sum of its proper divisors (472691859975).

1030203032121 is a wasteful number, since it uses less digits than its factorization.

1030203032121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68333 (or 68330 counting only the distinct ones).

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

Adding to 1030203032121 its reverse (1212303020301), we get a palindrome (2242506052422).

The spelling of 1030203032121 in words is "one trillion, thirty billion, two hundred three million, thirty-two thousand, one hundred twenty-one".