1042101144021 has 8 divisors (see below), whose sum is σ = 1587963648064. Its totient is φ = 595486368000.

The previous prime is 1042101143983. The next prime is 1042101144043. The reversal of 1042101144021 is 1204411012401.

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

It is not a de Polignac number, because 1042101144021 - 2¹⁴ = 1042101127637 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: 49623864001 = 1042101144021 / (1 + 0 + 4 + 2 + 1 + 0 + 1 + 1 + 4 + 4 + 0 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042101144121) 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, 24811931980 + ... + 24811932021.

It is an arithmetic number, because the mean of its divisors is an integer number (198495456008).

Almost surely, 2^{1042101144021} is an apocalyptic number.

It is an amenable number.

1042101144021 is a deficient number, since it is larger than the sum of its proper divisors (545862504043).

1042101144021 is an equidigital number, since it uses as much as digits as its factorization.

1042101144021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49623864011.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 1042101144021 its reverse (1204411012401), we get a palindrome (2246512156422).

The spelling of 1042101144021 in words is "one trillion, forty-two billion, one hundred one million, one hundred forty-four thousand, twenty-one".