1111002113 has 12 divisors (see below), whose sum is σ = 1204011900. Its totient is φ = 1024710336.

The previous prime is 1111002103. The next prime is 1111002131. The reversal of 1111002113 is 3112001111.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 14531344 + 1096470769 = 3812^2 + 33113^2 .

It is not a de Polignac number, because 1111002113 - 2⁶ = 1111002049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111002094 and 1111002103.

It is not an unprimeable number, because it can be changed into a prime (1111002103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 327695 + ... + 331067.

It is an arithmetic number, because the mean of its divisors is an integer number (100334325).

Almost surely, 2^1111002113 is an apocalyptic number.

1111002113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1111002113 is a deficient number, since it is larger than the sum of its proper divisors (93009787).

1111002113 is a wasteful number, since it uses less digits than its factorization.

1111002113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5348 (or 5335 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 1111002113 is about 33331.6983215677. The cubic root of 1111002113 is about 1035.7102992964.

Adding to 1111002113 its reverse (3112001111), we get a palindrome (4223003224).

The spelling of 1111002113 in words is "one billion, one hundred eleven million, two thousand, one hundred thirteen".