11102122111001 has 4 divisors (see below), whose sum is σ = 11163459802404. Its totient is φ = 11040784419600.

The previous prime is 11102122110997. The next prime is 11102122111009. The reversal of 11102122111001 is 10011122120111.

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 56370155776 + 11045751955225 = 237424^2 + 3323515^2 .

It is a cyclic number.

It is not a de Polignac number, because 11102122111001 - 2² = 11102122110997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11102122111009) 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, 30668845430 + ... + 30668845791.

It is an arithmetic number, because the mean of its divisors is an integer number (2790864950601).

Almost surely, 2^{11102122111001} is an apocalyptic number.

It is an amenable number.

11102122111001 is a deficient number, since it is larger than the sum of its proper divisors (61337691403).

11102122111001 is an equidigital number, since it uses as much as digits as its factorization.

11102122111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61337691402.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11102122111001 its reverse (10011122120111), we get a palindrome (21113244231112).

The spelling of 11102122111001 in words is "eleven trillion, one hundred two billion, one hundred twenty-two million, one hundred eleven thousand, one".