220200010101 has 6 divisors (see below), whose sum is σ = 318066681270. Its totient is φ = 146800006728.

The previous prime is 220200010067. The next prime is 220200010117. The reversal of 220200010101 is 101010002022.

It can be written as a sum of positive squares in only one way, i.e., 194833077201 + 25366932900 = 441399^2 + 159270^2 .

It is not a de Polignac number, because 220200010101 - 2²⁵ = 220166455669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 24466667789 = 220200010101 / (2 + 2 + 0 + 2 + 0 + 0 + 0 + 1 + 0 + 1 + 0 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220200010001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12233333886 + ... + 12233333903.

It is an arithmetic number, because the mean of its divisors is an integer number (53011113545).

Almost surely, 2^220200010101 is an apocalyptic number.

It is an amenable number.

220200010101 is a deficient number, since it is larger than the sum of its proper divisors (97866671169).

220200010101 is a wasteful number, since it uses less digits than its factorization.

220200010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24466667795 (or 24466667792 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 220200010101 its reverse (101010002022), we get a palindrome (321210012123).

The spelling of 220200010101 in words is "two hundred twenty billion, two hundred million, ten thousand, one hundred one".