1002223321142 has 4 divisors (see below), whose sum is σ = 1503334981716. Its totient is φ = 501111660570.

The previous prime is 1002223321097. The next prime is 1002223321147. The reversal of 1002223321142 is 2411233222001.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002223321147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250555830284 + ... + 250555830287.

It is an arithmetic number, because the mean of its divisors is an integer number (375833745429).

Almost surely, 2^{1002223321142} is an apocalyptic number.

1002223321142 is a deficient number, since it is larger than the sum of its proper divisors (501111660574).

1002223321142 is an equidigital number, since it uses as much as digits as its factorization.

1002223321142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501111660573.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1002223321142 its reverse (2411233222001), we get a palindrome (3413456543143).

The spelling of 1002223321142 in words is "one trillion, two billion, two hundred twenty-three million, three hundred twenty-one thousand, one hundred forty-two".