11002221022 has 16 divisors (see below), whose sum is σ = 17852526720. Its totient is φ = 5055174432.

The previous prime is 11002221001. The next prime is 11002221079. The reversal of 11002221022 is 22012220011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 11002220993 and 11002221011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942997 + ... + 954592.

It is an arithmetic number, because the mean of its divisors is an integer number (1115782920).

Almost surely, 2^11002221022 is an apocalyptic number.

11002221022 is a deficient number, since it is larger than the sum of its proper divisors (6850305698).

11002221022 is a wasteful number, since it uses less digits than its factorization.

11002221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897827.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11002221022 its reverse (22012220011), we get a palindrome (33014441033).

It can be divided in two parts, 110022 and 21022, that added together give a square (131044 = 362²).

The spelling of 11002221022 in words is "eleven billion, two million, two hundred twenty-one thousand, twenty-two".