102000220100201 has 4 divisors (see below), whose sum is σ = 103672354856004. Its totient is φ = 100328085344400.

The previous prime is 102000220100171. The next prime is 102000220100249. The reversal of 102000220100201 is 102001022000201.

It is a happy number.

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 10793518051801 + 91206702048400 = 3285349^2 + 9550220^2 .

It is a cyclic number.

It is not a de Polignac number, because 102000220100201 - 2³⁰ = 101999146358377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102000220108201) 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, 836067377810 + ... + 836067377931.

It is an arithmetic number, because the mean of its divisors is an integer number (25918088714001).

Almost surely, 2^{102000220100201} is an apocalyptic number.

It is an amenable number.

102000220100201 is a deficient number, since it is larger than the sum of its proper divisors (1672134755803).

102000220100201 is an equidigital number, since it uses as much as digits as its factorization.

102000220100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672134755802.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102000220100201 its reverse (102001022000201), we get a palindrome (204001242100402).

The spelling of 102000220100201 in words is "one hundred two trillion, two hundred twenty million, one hundred thousand, two hundred one".