11210121210001 has 4 divisors (see below), whose sum is σ = 12811567097152. Its totient is φ = 9608675322852.

The previous prime is 11210121209993. The next prime is 11210121210007. The reversal of 11210121210001 is 10001212101211.

It is a happy number.

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 11210121210001 - 2³ = 11210121209993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11210121210007) 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, 800722943565 + ... + 800722943578.

It is an arithmetic number, because the mean of its divisors is an integer number (3202891774288).

Almost surely, 2^{11210121210001} is an apocalyptic number.

It is an amenable number.

11210121210001 is a deficient number, since it is larger than the sum of its proper divisors (1601445887151).

11210121210001 is an equidigital number, since it uses as much as digits as its factorization.

11210121210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601445887150.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11210121210001 its reverse (10001212101211), we get a palindrome (21211333311212).

The spelling of 11210121210001 in words is "eleven trillion, two hundred ten billion, one hundred twenty-one million, two hundred ten thousand, one".