220021200100101 has 16 divisors (see below), whose sum is σ = 306128584404864. Its totient is φ = 140297813434944.

The previous prime is 220021200100087. The next prime is 220021200100111. The reversal of 220021200100101 is 101001002120022.

220021200100101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220021200100101 - 2⁷ = 220021200099973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220021200100111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61434006 + ... + 64916711.

It is an arithmetic number, because the mean of its divisors is an integer number (19133036525304).

Almost surely, 2^{220021200100101} is an apocalyptic number.

It is an amenable number.

220021200100101 is a deficient number, since it is larger than the sum of its proper divisors (86107384304763).

220021200100101 is a wasteful number, since it uses less digits than its factorization.

220021200100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126375980.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 220021200100101 its reverse (101001002120022), we get a palindrome (321022202220123).

The spelling of 220021200100101 in words is "two hundred twenty trillion, twenty-one billion, two hundred million, one hundred thousand, one hundred one".