201220100002 has 16 divisors (see below), whose sum is σ = 312252888960. Its totient is φ = 97136132688.

The previous prime is 201220099991. The next prime is 201220100017. The reversal of 201220100002 is 200001022102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371313 + ... + 1510939.

It is an arithmetic number, because the mean of its divisors is an integer number (19515805560).

Almost surely, 2^201220100002 is an apocalyptic number.

201220100002 is a deficient number, since it is larger than the sum of its proper divisors (111032788958).

201220100002 is a wasteful number, since it uses less digits than its factorization.

201220100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164505.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 201220100002 its reverse (200001022102), we get a palindrome (401221122104).

The spelling of 201220100002 in words is "two hundred one billion, two hundred twenty million, one hundred thousand, two".