11110212210001 has 8 divisors (see below), whose sum is σ = 11123309713320. Its totient is φ = 11097117353088.

The previous prime is 11110212209927. The next prime is 11110212210059. The reversal of 11110212210001 is 10001221201111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2903138899600 + 8207073310401 = 1703860^2 + 2864799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11110212210001 - 2⁹ = 11110212209489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11110212210301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7803555 + ... + 9116791.

It is an arithmetic number, because the mean of its divisors is an integer number (1390413714165).

Almost surely, 2^{11110212210001} is an apocalyptic number.

It is an amenable number.

11110212210001 is a deficient number, since it is larger than the sum of its proper divisors (13097503319).

11110212210001 is an equidigital number, since it uses as much as digits as its factorization.

11110212210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323203.

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

Adding to 11110212210001 its reverse (10001221201111), we get a palindrome (21111433411112).

The spelling of 11110212210001 in words is "eleven trillion, one hundred ten billion, two hundred twelve million, two hundred ten thousand, one".