1030123113021 has 24 divisors (see below), whose sum is σ = 1529678002944. Its totient is φ = 667685786400.

The previous prime is 1030123113001. The next prime is 1030123113049. The reversal of 1030123113021 is 1203113210301.

1030123113021 is a `hidden beast` number, since 1 + 0 + 301 + 2 + 311 + 30 + 21 = 666.

It is not a de Polignac number, because 1030123113021 - 2¹⁷ = 1030122981949 is a prime.

It is a super-2 number, since 2×1030123113021² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1030123112985 and 1030123113003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030123113001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7999966 + ... + 8127711.

It is an arithmetic number, because the mean of its divisors is an integer number (63736583456).

Almost surely, 2^{1030123113021} is an apocalyptic number.

It is an amenable number.

1030123113021 is a deficient number, since it is larger than the sum of its proper divisors (499554889923).

1030123113021 is a wasteful number, since it uses less digits than its factorization.

1030123113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16127881 (or 16127878 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1030123113021 its reverse (1203113210301), we get a palindrome (2233236323322).

The spelling of 1030123113021 in words is "one trillion, thirty billion, one hundred twenty-three million, one hundred thirteen thousand, twenty-one".