11002122111 has 8 divisors (see below), whose sum is σ = 14689677184. Its totient is φ = 7324657560.

The previous prime is 11002122107. The next prime is 11002122137. The reversal of 11002122111 is 11122120011.

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

It is not a de Polignac number, because 11002122111 - 2² = 11002122107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002122181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2520085 + ... + 2524446.

It is an arithmetic number, because the mean of its divisors is an integer number (1836209648).

Almost surely, 2^11002122111 is an apocalyptic number.

11002122111 is a deficient number, since it is larger than the sum of its proper divisors (3687555073).

11002122111 is an equidigital number, since it uses as much as digits as its factorization.

11002122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045261.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11002122111 its reverse (11122120011), we get a palindrome (22124242122).

The spelling of 11002122111 in words is "eleven billion, two million, one hundred twenty-two thousand, one hundred eleven".