102201112211201 has 4 divisors (see below), whose sum is σ = 102203275840212. Its totient is φ = 102198948582192.

The previous prime is 102201112211197. The next prime is 102201112211269. The reversal of 102201112211201 is 102112211102201.

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 44741316321025 + 57459795890176 = 6688895^2 + 7580224^2 .

It is a cyclic number.

It is not a de Polignac number, because 102201112211201 - 2² = 102201112211197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102201112211201.

It is not an unprimeable number, because it can be changed into a prime (102201112211281) 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, 1081743650 + ... + 1081838123.

It is an arithmetic number, because the mean of its divisors is an integer number (25550818960053).

Almost surely, 2^{102201112211201} is an apocalyptic number.

It is an amenable number.

102201112211201 is a deficient number, since it is larger than the sum of its proper divisors (2163629011).

102201112211201 is an equidigital number, since it uses as much as digits as its factorization.

102201112211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163629010.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102201112211201 its reverse (102112211102201), we get a palindrome (204313323313402).

The spelling of 102201112211201 in words is "one hundred two trillion, two hundred one billion, one hundred twelve million, two hundred eleven thousand, two hundred one".