102100200020201 has 4 divisors (see below), whose sum is σ = 102100307342592. Its totient is φ = 102100092697812.

The previous prime is 102100200020123. The next prime is 102100200020227. The reversal of 102100200020201 is 102020002001201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102100200020201 - 2³⁰ = 102099126278377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102100200020261) 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, 52221305 + ... + 54141158.

It is an arithmetic number, because the mean of its divisors is an integer number (25525076835648).

Almost surely, 2^{102100200020201} is an apocalyptic number.

It is an amenable number.

102100200020201 is a deficient number, since it is larger than the sum of its proper divisors (107322391).

102100200020201 is an equidigital number, since it uses as much as digits as its factorization.

102100200020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107322390.

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

Adding to 102100200020201 its reverse (102020002001201), we get a palindrome (204120202021402).

The spelling of 102100200020201 in words is "one hundred two trillion, one hundred billion, two hundred million, twenty thousand, two hundred one".