11002123122 has 32 divisors (see below), whose sum is σ = 22487092992. Its totient is φ = 3587001984.

The previous prime is 11002123091. The next prime is 11002123141. The reversal of 11002123122 is 22132120011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449718 + ... + 473550.

It is an arithmetic number, because the mean of its divisors is an integer number (702721656).

Almost surely, 2^11002123122 is an apocalyptic number.

11002123122 is an abundant number, since it is smaller than the sum of its proper divisors (11484969870).

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

11002123122 is a wasteful number, since it uses less digits than its factorization.

11002123122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25522.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11002123122 its reverse (22132120011), we get a palindrome (33134243133).

The spelling of 11002123122 in words is "eleven billion, two million, one hundred twenty-three thousand, one hundred twenty-two".