11002233121 has 16 divisors (see below), whose sum is σ = 12498595200. Its totient is φ = 9593136000.

The previous prime is 11002233089. The next prime is 11002233131. The reversal of 11002233121 is 12133220011.

It is a cyclic number.

It is not a de Polignac number, because 11002233121 - 2⁵ = 11002233089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11002233095 and 11002233104.

It is not an unprimeable number, because it can be changed into a prime (11002233131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66036 + ... + 162373.

It is an arithmetic number, because the mean of its divisors is an integer number (781162200).

Almost surely, 2^11002233121 is an apocalyptic number.

11002233121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11002233121 is a deficient number, since it is larger than the sum of its proper divisors (1496362079).

11002233121 is a wasteful number, since it uses less digits than its factorization.

11002233121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228600.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11002233121 its reverse (12133220011), we get a palindrome (23135453132).

The spelling of 11002233121 in words is "eleven billion, two million, two hundred thirty-three thousand, one hundred twenty-one".