1030120011321 has 4 divisors (see below), whose sum is σ = 1373493348432. Its totient is φ = 686746674212.

The previous prime is 1030120011313. The next prime is 1030120011367. The reversal of 1030120011321 is 1231100210301.

It is a happy number.

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 1030120011321 - 2³ = 1030120011313 is a prime.

It is a super-2 number, since 2×1030120011321² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1030120011321.

It is not an unprimeable number, because it can be changed into a prime (1030120011301) 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, 171686668551 + ... + 171686668556.

It is an arithmetic number, because the mean of its divisors is an integer number (343373337108).

Almost surely, 2^{1030120011321} is an apocalyptic number.

It is an amenable number.

1030120011321 is a deficient number, since it is larger than the sum of its proper divisors (343373337111).

1030120011321 is an equidigital number, since it uses as much as digits as its factorization.

1030120011321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343373337110.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1030120011321 its reverse (1231100210301), we get a palindrome (2261220221622).

The spelling of 1030120011321 in words is "one trillion, thirty billion, one hundred twenty million, eleven thousand, three hundred twenty-one".