120000220101 has 6 divisors (see below), whose sum is σ = 173333651270. Its totient is φ = 80000146728.

The previous prime is 120000220073. The next prime is 120000220139. The reversal of 120000220101 is 101022000021.

It can be written as a sum of positive squares in only one way, i.e., 109514664900 + 10485555201 = 330930^2 + 102399^2 .

It is not a de Polignac number, because 120000220101 - 2¹⁰ = 120000219077 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: 13333357789 = 120000220101 / (1 + 2 + 0 + 0 + 0 + 0 + 2 + 2 + 0 + 1 + 0 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000220181) 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, 6666678886 + ... + 6666678903.

Almost surely, 2^120000220101 is an apocalyptic number.

It is an amenable number.

120000220101 is a deficient number, since it is larger than the sum of its proper divisors (53333431169).

120000220101 is a wasteful number, since it uses less digits than its factorization.

120000220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13333357795 (or 13333357792 counting only the distinct ones).

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

Adding to 120000220101 its reverse (101022000021), we get a palindrome (221022220122).

The spelling of 120000220101 in words is "one hundred twenty billion, two hundred twenty thousand, one hundred one".