102000201112001 has 4 divisors (see below), whose sum is σ = 102000311699412. Its totient is φ = 102000090524592.

The previous prime is 102000201111967. The next prime is 102000201112013. The reversal of 102000201112001 is 100211102000201.

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 61921932164401 + 40078268947600 = 7869049^2 + 6330740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102000201112001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102000201142001) 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, 53898446 + ... + 55758791.

It is an arithmetic number, because the mean of its divisors is an integer number (25500077924853).

Almost surely, 2^{102000201112001} is an apocalyptic number.

It is an amenable number.

102000201112001 is a deficient number, since it is larger than the sum of its proper divisors (110587411).

102000201112001 is an equidigital number, since it uses as much as digits as its factorization.

102000201112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110587410.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102000201112001 its reverse (100211102000201), we get a palindrome (202211303112202).

The spelling of 102000201112001 in words is "one hundred two trillion, two hundred one million, one hundred twelve thousand, one".