1020143111043 has 8 divisors (see below), whose sum is σ = 1554503788288. Its totient is φ = 582938920584.

The previous prime is 1020143110979. The next prime is 1020143111101. The reversal of 1020143111043 is 3401113410201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020143111043 - 2⁶ = 1020143110979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 48578243383 = 1020143111043 / (1 + 0 + 2 + 0 + 1 + 4 + 3 + 1 + 1 + 1 + 0 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020143111543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24289121671 + ... + 24289121712.

It is an arithmetic number, because the mean of its divisors is an integer number (194312973536).

Almost surely, 2^{1020143111043} is an apocalyptic number.

1020143111043 is a deficient number, since it is larger than the sum of its proper divisors (534360677245).

1020143111043 is an equidigital number, since it uses as much as digits as its factorization.

1020143111043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48578243393.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1020143111043 its reverse (3401113410201), we get a palindrome (4421256521244).

The spelling of 1020143111043 in words is "one trillion, twenty billion, one hundred forty-three million, one hundred eleven thousand, forty-three".