1113002121 has 96 divisors (see below), whose sum is σ = 2099934720. Its totient is φ = 515289600.

The previous prime is 1113002081. The next prime is 1113002141. The reversal of 1113002121 is 1212003111.

It is not a de Polignac number, because 1113002121 - 2¹¹ = 1113000073 is a prime.

It is a super-3 number, since 3×1113002121³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1113002097 and 1113002106.

It is not an unprimeable number, because it can be changed into a prime (1113002141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 521226 + ... + 523356.

It is an arithmetic number, because the mean of its divisors is an integer number (21874320).

Almost surely, 2^1113002121 is an apocalyptic number.

1113002121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1113002121 is a deficient number, since it is larger than the sum of its proper divisors (986932599).

1113002121 is a wasteful number, since it uses less digits than its factorization.

1113002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195 (or 2188 counting only the distinct ones).

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

The square root of 1113002121 is about 33361.6864232011. The cubic root of 1113002121 is about 1036.3314163694.

Adding to 1113002121 its reverse (1212003111), we get a palindrome (2325005232).

The spelling of 1113002121 in words is "one billion, one hundred thirteen million, two thousand, one hundred twenty-one".