1000122220022 has 4 divisors (see below), whose sum is σ = 1500183330036. Its totient is φ = 500061110010.

The previous prime is 1000122220003. The next prime is 1000122220049. The reversal of 1000122220022 is 2200222210001.

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 = 1000122219979 and 1000122220006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250030555004 + ... + 250030555007.

It is an arithmetic number, because the mean of its divisors is an integer number (375045832509).

Almost surely, 2^{1000122220022} is an apocalyptic number.

1000122220022 is a deficient number, since it is larger than the sum of its proper divisors (500061110014).

1000122220022 is an equidigital number, since it uses as much as digits as its factorization.

1000122220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500061110013.

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

Adding to 1000122220022 its reverse (2200222210001), we get a palindrome (3200344430023).

The spelling of 1000122220022 in words is "one trillion, one hundred twenty-two million, two hundred twenty thousand, twenty-two".