201122221001002 has 32 divisors (see below), whose sum is σ = 346041161820288. Its totient is φ = 85880567748096.

The previous prime is 201122221000991. The next prime is 201122221001029. The reversal of 201122221001002 is 200100122221102.

It is a happy 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 in 15 ways as a sum of consecutive naturals, for example, 9659163 + ... + 22260814.

It is an arithmetic number, because the mean of its divisors is an integer number (10813786306884).

Almost surely, 2^{201122221001002} is an apocalyptic number.

201122221001002 is a deficient number, since it is larger than the sum of its proper divisors (144918940819286).

201122221001002 is a wasteful number, since it uses less digits than its factorization.

201122221001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31921630.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201122221001002 its reverse (200100122221102), we get a palindrome (401222343222104).

The spelling of 201122221001002 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred twenty-one million, one thousand, two".