11001102122111 has 4 divisors (see below), whose sum is σ = 11048317152912. Its totient is φ = 10953887091312.

The previous prime is 11001102122077. The next prime is 11001102122159. The reversal of 11001102122111 is 11122120110011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11001102122111 - 2²⁶ = 11001035013247 is a prime.

It is a super-2 number, since 2×11001102122111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001102122611) 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, 23607515051 + ... + 23607515516.

It is an arithmetic number, because the mean of its divisors is an integer number (2762079288228).

Almost surely, 2^{11001102122111} is an apocalyptic number.

11001102122111 is a deficient number, since it is larger than the sum of its proper divisors (47215030801).

11001102122111 is an equidigital number, since it uses as much as digits as its factorization.

11001102122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47215030800.

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

Adding to 11001102122111 its reverse (11122120110011), we get a palindrome (22123222232122).

The spelling of 11001102122111 in words is "eleven trillion, one billion, one hundred two million, one hundred twenty-two thousand, one hundred eleven".