1001001100022 has 64 divisors (see below), whose sum is σ = 1910931264000. Its totient is φ = 389852396640.

The previous prime is 1001001100003. The next prime is 1001001100027. The reversal of 1001001100022 is 2200011001001.

It is a junction number, because it is equal to n+sod(n) for n = 1001001099982 and 1001001100009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001001100027) 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 in 31 ways as a sum of consecutive naturals, for example, 21022013 + ... + 21069575.

It is an arithmetic number, because the mean of its divisors is an integer number (29858301000).

Almost surely, 2^{1001001100022} is an apocalyptic number.

1001001100022 is a deficient number, since it is larger than the sum of its proper divisors (909930163978).

1001001100022 is a wasteful number, since it uses less digits than its factorization.

1001001100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50386 (or 50372 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1001001100022 its reverse (2200011001001), we get a palindrome (3201012101023).

The spelling of 1001001100022 in words is "one trillion, one billion, one million, one hundred thousand, twenty-two".