206101010550001 has 24 divisors (see below), whose sum is σ = 240716629482336. Its totient is φ = 175946061957120.

The previous prime is 206101010549999. The next prime is 206101010550013. The reversal of 206101010550001 is 100055010101602.

It is a happy number.

206101010550001 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 206101010550001 - 2¹ = 206101010549999 is a prime.

It is a super-2 number, since 2×206101010550001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (206101010550041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89367286 + ... + 91644496.

It is an arithmetic number, because the mean of its divisors is an integer number (10029859561764).

Almost surely, 2^{206101010550001} is an apocalyptic number.

It is an amenable number.

206101010550001 is a deficient number, since it is larger than the sum of its proper divisors (34615618932335).

206101010550001 is a wasteful number, since it uses less digits than its factorization.

206101010550001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284669 (or 2284662 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 206101010550001 its reverse (100055010101602), we get a palindrome (306156020651603).

The spelling of 206101010550001 in words is "two hundred six trillion, one hundred one billion, ten million, five hundred fifty thousand, one".