1042213421422 has 4 divisors (see below), whose sum is σ = 1563320132136. Its totient is φ = 521106710710.

The previous prime is 1042213421419. The next prime is 1042213421443. The reversal of 1042213421422 is 2241243122401.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 260553355354 + ... + 260553355357.

It is an arithmetic number, because the mean of its divisors is an integer number (390830033034).

Almost surely, 2^{1042213421422} is an apocalyptic number.

1042213421422 is a deficient number, since it is larger than the sum of its proper divisors (521106710714).

1042213421422 is an equidigital number, since it uses as much as digits as its factorization.

1042213421422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521106710713.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1042213421422 its reverse (2241243122401), we get a palindrome (3283456543823).

The spelling of 1042213421422 in words is "one trillion, forty-two billion, two hundred thirteen million, four hundred twenty-one thousand, four hundred twenty-two".