1030113230021 has 2 divisors, whose sum is σ = 1030113230022. Its totient is φ = 1030113230020.

The previous prime is 1030113230017. The next prime is 1030113230059. The reversal of 1030113230021 is 1200323110301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1023660321121 + 6452908900 = 1011761^2 + 80330^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030113230021 - 2² = 1030113230017 is a prime.

It is a super-2 number, since 2×1030113230021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030113200021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515056615010 + 515056615011.

It is an arithmetic number, because the mean of its divisors is an integer number (515056615011).

Almost surely, 2^{1030113230021} is an apocalyptic number.

It is an amenable number.

1030113230021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030113230021 is an equidigital number, since it uses as much as digits as its factorization.

1030113230021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1030113230021 its reverse (1200323110301), we get a palindrome (2230436340322).

The spelling of 1030113230021 in words is "one trillion, thirty billion, one hundred thirteen million, two hundred thirty thousand, twenty-one".