1011404021442 has 8 divisors (see below), whose sum is σ = 2022808042896. Its totient is φ = 337134673812.

The previous prime is 1011404021399. The next prime is 1011404021449. The reversal of 1011404021442 is 2441204041101.

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

1011404021442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1011404021449) 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, 84283668448 + ... + 84283668459.

It is an arithmetic number, because the mean of its divisors is an integer number (252851005362).

Almost surely, 2^{1011404021442} is an apocalyptic number.

1011404021442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011404021442 is a wasteful number, since it uses less digits than its factorization.

1011404021442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168567336912.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 1011404021442 its reverse (2441204041101), we get a palindrome (3452608062543).

The spelling of 1011404021442 in words is "one trillion, eleven billion, four hundred four million, twenty-one thousand, four hundred forty-two".