10002001221022 has 4 divisors (see below), whose sum is σ = 15003001831536. Its totient is φ = 5001000610510.

The previous prime is 10002001220941. The next prime is 10002001221031. The reversal of 10002001221022 is 22012210020001.

It is a happy number.

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 = 10002001220993 and 10002001221011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500500305254 + ... + 2500500305257.

It is an arithmetic number, because the mean of its divisors is an integer number (3750750457884).

Almost surely, 2^{10002001221022} is an apocalyptic number.

10002001221022 is a deficient number, since it is larger than the sum of its proper divisors (5001000610514).

10002001221022 is an equidigital number, since it uses as much as digits as its factorization.

10002001221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001000610513.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10002001221022 its reverse (22012210020001), we get a palindrome (32014211241023).

It can be divided in two parts, 1000200 and 1221022, that added together give a palindrome (2221222).

The spelling of 10002001221022 in words is "ten trillion, two billion, one million, two hundred twenty-one thousand, twenty-two".