1143141030421 has 6 divisors (see below), whose sum is σ = 1237839104130. Its totient is φ = 1055207104848.

The previous prime is 1143141030397. The next prime is 1143141030439. The reversal of 1143141030421 is 1240301413411.

It can be written as a sum of positive squares in 3 ways, for example, as 131688426321 + 1011452604100 = 362889^2 + 1005710^2 .

It is not a de Polignac number, because 1143141030421 - 2¹³ = 1143141022229 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 (1143141130421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3382073886 + ... + 3382074223.

It is an arithmetic number, because the mean of its divisors is an integer number (206306517355).

Almost surely, 2^{1143141030421} is an apocalyptic number.

It is an amenable number.

1143141030421 is a deficient number, since it is larger than the sum of its proper divisors (94698073709).

1143141030421 is an equidigital number, since it uses as much as digits as its factorization.

1143141030421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6764148135 (or 6764148122 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1143141030421 its reverse (1240301413411), we get a palindrome (2383442443832).

The spelling of 1143141030421 in words is "one trillion, one hundred forty-three billion, one hundred forty-one million, thirty thousand, four hundred twenty-one".