1131021420143 has 8 divisors (see below), whose sum is σ = 1132482254400. Its totient is φ = 1129560742528.

The previous prime is 1131021420127. The next prime is 1131021420163. The reversal of 1131021420143 is 3410241201311.

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

It is a cyclic number.

It is not a de Polignac number, because 1131021420143 - 2⁴ = 1131021420127 is a prime.

It is a super-2 number, since 2×1131021420143² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131021420163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23079755 + ... + 23128707.

It is an arithmetic number, because the mean of its divisors is an integer number (141560281800).

Almost surely, 2^{1131021420143} is an apocalyptic number.

1131021420143 is a deficient number, since it is larger than the sum of its proper divisors (1460834257).

1131021420143 is an equidigital number, since it uses as much as digits as its factorization.

1131021420143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78321.

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

Adding to 1131021420143 its reverse (3410241201311), we get a palindrome (4541262621454).

The spelling of 1131021420143 in words is "one trillion, one hundred thirty-one billion, twenty-one million, four hundred twenty thousand, one hundred forty-three".