101200110211001 has 4 divisors (see below), whose sum is σ = 103109546252772. Its totient is φ = 99290674169232.

The previous prime is 101200110210883. The next prime is 101200110211033. The reversal of 101200110211001 is 100112011002101.

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 88180569983401 + 13019540227600 = 9390451^2 + 3608260^2 .

It is a cyclic number.

It is not a de Polignac number, because 101200110211001 - 2²² = 101200106016697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101200110214001) 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, 954718020806 + ... + 954718020911.

It is an arithmetic number, because the mean of its divisors is an integer number (25777386563193).

Almost surely, 2^{101200110211001} is an apocalyptic number.

It is an amenable number.

101200110211001 is a deficient number, since it is larger than the sum of its proper divisors (1909436041771).

101200110211001 is an equidigital number, since it uses as much as digits as its factorization.

101200110211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909436041770.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101200110211001 its reverse (100112011002101), we get a palindrome (201312121213102).

The spelling of 101200110211001 in words is "one hundred one trillion, two hundred billion, one hundred ten million, two hundred eleven thousand, one".