1130021134421 has 4 divisors (see below), whose sum is σ = 1130037140652. Its totient is φ = 1130005128192.

The previous prime is 1130021134379. The next prime is 1130021134457. The reversal of 1130021134421 is 1244311200311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 532243202500 + 597777931921 = 729550^2 + 773161^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130021134421 - 2⁶ = 1130021134357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130021134471) 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, 7896746 + ... + 8038571.

It is an arithmetic number, because the mean of its divisors is an integer number (282509285163).

Almost surely, 2^{1130021134421} is an apocalyptic number.

It is an amenable number.

1130021134421 is a deficient number, since it is larger than the sum of its proper divisors (16006231).

1130021134421 is an equidigital number, since it uses as much as digits as its factorization.

1130021134421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16006230.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1130021134421 its reverse (1244311200311), we get a palindrome (2374332334732).

The spelling of 1130021134421 in words is "one trillion, one hundred thirty billion, twenty-one million, one hundred thirty-four thousand, four hundred twenty-one".