11011210110001 has 4 divisors (see below), whose sum is σ = 11012502362404. Its totient is φ = 11009917857600.

The previous prime is 11011210109987. The next prime is 11011210110031. The reversal of 11011210110001 is 10001101211011.

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 4686462950976 + 6324747159025 = 2164824^2 + 2514905^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011210110001 - 2¹⁵ = 11011210077233 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 11011210110001.

It is not an unprimeable number, because it can be changed into a prime (11011210110031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646113420 + ... + 646130461.

It is an arithmetic number, because the mean of its divisors is an integer number (2753125590601).

Almost surely, 2^{11011210110001} is an apocalyptic number.

It is an amenable number.

11011210110001 is a deficient number, since it is larger than the sum of its proper divisors (1292252403).

11011210110001 is an equidigital number, since it uses as much as digits as its factorization.

11011210110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292252402.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11011210110001 its reverse (10001101211011), we get a palindrome (21012311321012).

It can be divided in two parts, 11011 and 210110001, that added together give a palindrome (210121012).

The spelling of 11011210110001 in words is "eleven trillion, eleven billion, two hundred ten million, one hundred ten thousand, one".