11002121022 has 16 divisors (see below), whose sum is σ = 22008308112. Its totient is φ = 3666696000.

The previous prime is 11002121003. The next prime is 11002121023. The reversal of 11002121022 is 22012120011.

11002121022 is a modest number, since divided by 121022 gives 11002 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 11002120989 and 11002121007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002121023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133663 + ... + 199674.

It is an arithmetic number, because the mean of its divisors is an integer number (1375519257).

Almost surely, 2^11002121022 is an apocalyptic number.

11002121022 is an abundant number, since it is smaller than the sum of its proper divisors (11006187090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11002121022 is a wasteful number, since it uses less digits than its factorization.

11002121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338843.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11002121022 its reverse (22012120011), we get a palindrome (33014241033).

The spelling of 11002121022 in words is "eleven billion, two million, one hundred twenty-one thousand, twenty-two".