1030112320021 has 4 divisors (see below), whose sum is σ = 1030151161600. Its totient is φ = 1030073478444.

The previous prime is 1030112320019. The next prime is 1030112320033. The reversal of 1030112320021 is 1200232110301.

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.

It is a cyclic number.

It is not a de Polignac number, because 1030112320021 - 2¹ = 1030112320019 is a prime.

It is a super-2 number, since 2×1030112320021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030112319977 and 1030112320004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030112323021) 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, 19380981 + ... + 19434058.

It is an arithmetic number, because the mean of its divisors is an integer number (257537790400).

Almost surely, 2^{1030112320021} is an apocalyptic number.

It is an amenable number.

1030112320021 is a deficient number, since it is larger than the sum of its proper divisors (38841579).

1030112320021 is an equidigital number, since it uses as much as digits as its factorization.

1030112320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38841578.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1030112320021 its reverse (1200232110301), we get a palindrome (2230344430322).

The spelling of 1030112320021 in words is "one trillion, thirty billion, one hundred twelve million, three hundred twenty thousand, twenty-one".