1042050224021 has 2 divisors, whose sum is σ = 1042050224022. Its totient is φ = 1042050224020.

The previous prime is 1042050224009. The next prime is 1042050224023. The reversal of 1042050224021 is 1204220502401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 997423661521 + 44626562500 = 998711^2 + 211250^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042050224021 - 2⁶ = 1042050223957 is a prime.

Together with 1042050224023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042050224023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521025112010 + 521025112011.

It is an arithmetic number, because the mean of its divisors is an integer number (521025112011).

Almost surely, 2^{1042050224021} is an apocalyptic number.

It is an amenable number.

1042050224021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042050224021 is an equidigital number, since it uses as much as digits as its factorization.

1042050224021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 1042050224021 its reverse (1204220502401), we get a palindrome (2246270726422).

The spelling of 1042050224021 in words is "one trillion, forty-two billion, fifty million, two hundred twenty-four thousand, twenty-one".