102101200021201 has 4 divisors (see below), whose sum is σ = 102102112867392. Its totient is φ = 102100287175012.

The previous prime is 102101200021189. The next prime is 102101200021243. The reversal of 102101200021201 is 102120002101201.

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 102101200021201 - 2³⁹ = 101551444207313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102101200021001) 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, 456255301 + ... + 456479026.

It is an arithmetic number, because the mean of its divisors is an integer number (25525528216848).

Almost surely, 2^{102101200021201} is an apocalyptic number.

It is an amenable number.

102101200021201 is a deficient number, since it is larger than the sum of its proper divisors (912846191).

102101200021201 is an equidigital number, since it uses as much as digits as its factorization.

102101200021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912846190.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102101200021201 its reverse (102120002101201), we get a palindrome (204221202122402).

The spelling of 102101200021201 in words is "one hundred two trillion, one hundred one billion, two hundred million, twenty-one thousand, two hundred one".