1002122020022 has 4 divisors (see below), whose sum is σ = 1503183030036. Its totient is φ = 501061010010.

The previous prime is 1002122020021. The next prime is 1002122020073. The reversal of 1002122020022 is 2200202212001.

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

It is a junction number, because it is equal to n+sod(n) for n = 1002122019979 and 1002122020006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002122020021) 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, 250530505004 + ... + 250530505007.

It is an arithmetic number, because the mean of its divisors is an integer number (375795757509).

Almost surely, 2^{1002122020022} is an apocalyptic number.

1002122020022 is a deficient number, since it is larger than the sum of its proper divisors (501061010014).

1002122020022 is an equidigital number, since it uses as much as digits as its factorization.

1002122020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501061010013.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1002122020022 its reverse (2200202212001), we get a palindrome (3202324232023).

The spelling of 1002122020022 in words is "one trillion, two billion, one hundred twenty-two million, twenty thousand, twenty-two".