11101120012001 has 4 divisors (see below), whose sum is σ = 11148764304132. Its totient is φ = 11053475719872.

The previous prime is 11101120011979. The next prime is 11101120012039. The reversal of 11101120012001 is 10021002110111.

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 730298430625 + 10370821581376 = 854575^2 + 3220376^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101120012001 - 2¹⁴ = 11101119995617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101120062001) 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, 23822145716 + ... + 23822146181.

It is an arithmetic number, because the mean of its divisors is an integer number (2787191076033).

Almost surely, 2^{11101120012001} is an apocalyptic number.

It is an amenable number.

11101120012001 is a deficient number, since it is larger than the sum of its proper divisors (47644292131).

11101120012001 is an equidigital number, since it uses as much as digits as its factorization.

11101120012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47644292130.

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

Adding to 11101120012001 its reverse (10021002110111), we get a palindrome (21122122122112).

The spelling of 11101120012001 in words is "eleven trillion, one hundred one billion, one hundred twenty million, twelve thousand, one".