1143340000021 has 4 divisors (see below), whose sum is σ = 1143342169344. Its totient is φ = 1143337830700.

The previous prime is 1143340000001. The next prime is 1143340000037. The reversal of 1143340000021 is 1200000433411.

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 1143340000021 - 2²⁷ = 1143205782293 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 (1143340000001) 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, 269226 + ... + 1535956.

It is an arithmetic number, because the mean of its divisors is an integer number (285835542336).

Almost surely, 2^{1143340000021} is an apocalyptic number.

It is an amenable number.

1143340000021 is a deficient number, since it is larger than the sum of its proper divisors (2169323).

1143340000021 is an equidigital number, since it uses as much as digits as its factorization.

1143340000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169322.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1143340000021 its reverse (1200000433411), we get a palindrome (2343340433432).

The spelling of 1143340000021 in words is "one trillion, one hundred forty-three billion, three hundred forty million, twenty-one", and thus it is an aban number.