201201221002 has 32 divisors (see below), whose sum is σ = 327022375680. Its totient is φ = 92555084160.

The previous prime is 201201220999. The next prime is 201201221057. The reversal of 201201221002 is 200122102102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64102 + ... + 637582.

It is an arithmetic number, because the mean of its divisors is an integer number (10219449240).

Almost surely, 2^201201221002 is an apocalyptic number.

201201221002 is a deficient number, since it is larger than the sum of its proper divisors (125821154678).

201201221002 is a wasteful number, since it uses less digits than its factorization.

201201221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573798.

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

Adding to 201201221002 its reverse (200122102102), we get a palindrome (401323323104).

The spelling of 201201221002 in words is "two hundred one billion, two hundred one million, two hundred twenty-one thousand, two".