11002121222 has 4 divisors (see below), whose sum is σ = 16503181836. Its totient is φ = 5501060610.

The previous prime is 11002121213. The next prime is 11002121227. The reversal of 11002121222 is 22212120011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22212120011 = 1567 ⋅14174933.

It is a junction number, because it is equal to n+sod(n) for n = 11002121197 and 11002121206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002121227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750530304 + ... + 2750530307.

It is an arithmetic number, because the mean of its divisors is an integer number (4125795459).

Almost surely, 2^11002121222 is an apocalyptic number.

11002121222 is a deficient number, since it is larger than the sum of its proper divisors (5501060614).

11002121222 is an equidigital number, since it uses as much as digits as its factorization.

11002121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5501060613.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11002121222 its reverse (22212120011), we get a palindrome (33214241233).

The spelling of 11002121222 in words is "eleven billion, two million, one hundred twenty-one thousand, two hundred twenty-two".