220002121100012 has 48 divisors (see below), whose sum is σ = 402893238558720. Its totient is φ = 104917232895552.

The previous prime is 220002121099913. The next prime is 220002121100017. The reversal of 220002121100012 is 210001121200022.

It is a self number, because there is not a number n which added to its sum of digits gives 220002121100012.

It is not an unprimeable number, because it can be changed into a prime (220002121100017) by changing a digit.

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, 246335333 + ... + 247226819.

It is an arithmetic number, because the mean of its divisors is an integer number (8393609136640).

Almost surely, 2^{220002121100012} is an apocalyptic number.

It is an amenable number.

220002121100012 is a deficient number, since it is larger than the sum of its proper divisors (182891117458708).

220002121100012 is a wasteful number, since it uses less digits than its factorization.

220002121100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899190 (or 899188 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220002121100012 its reverse (210001121200022), we get a palindrome (430003242300034).

The spelling of 220002121100012 in words is "two hundred twenty trillion, two billion, one hundred twenty-one million, one hundred thousand, twelve".