220102000001 has 4 divisors (see below), whose sum is σ = 237032923092. Its totient is φ = 203171076912.

The previous prime is 220101999977. The next prime is 220102000057. The reversal of 220102000001 is 100000201022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40885244401 + 179216755600 = 202201^2 + 423340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220102000001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220102003001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8465461526 + ... + 8465461551.

It is an arithmetic number, because the mean of its divisors is an integer number (59258230773).

Almost surely, 2^220102000001 is an apocalyptic number.

It is an amenable number.

220102000001 is a deficient number, since it is larger than the sum of its proper divisors (16930923091).

220102000001 is a wasteful number, since it uses less digits than its factorization.

220102000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16930923090.

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

Adding to 220102000001 its reverse (100000201022), we get a palindrome (320102201023).

The spelling of 220102000001 in words is "two hundred twenty billion, one hundred two million, one", and thus it is an aban number.