220100021012005 has 32 divisors (see below), whose sum is σ = 264956321635200. Its totient is φ = 175523629881600.

The previous prime is 220100021011963. The next prime is 220100021012087. The reversal of 220100021012005 is 500210120001022.

It is a happy number.

It is not a de Polignac number, because 220100021012005 - 2¹⁹ = 220100020487717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220100021012005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4774484446 + ... + 4774530544.

It is an arithmetic number, because the mean of its divisors is an integer number (8279885051100).

Almost surely, 2^{220100021012005} is an apocalyptic number.

It is an amenable number.

220100021012005 is a deficient number, since it is larger than the sum of its proper divisors (44856300623195).

220100021012005 is a wasteful number, since it uses less digits than its factorization.

220100021012005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49141.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 220100021012005 its reverse (500210120001022), we get a palindrome (720310141013027).

The spelling of 220100021012005 in words is "two hundred twenty trillion, one hundred billion, twenty-one million, twelve thousand, five".