1111102002 has 16 divisors (see below), whose sum is σ = 2469115680. Its totient is φ = 370367316.

The previous prime is 1111101991. The next prime is 1111102049. The reversal of 1111102002 is 2002011111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10287928 + ... + 10288035.

It is an arithmetic number, because the mean of its divisors is an integer number (154319730).

Almost surely, 2^1111102002 is an apocalyptic number.

1111102002 is an abundant number, since it is smaller than the sum of its proper divisors (1358013678).

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

1111102002 is a wasteful number, since it uses less digits than its factorization.

1111102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20575974 (or 20575968 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1111102002 is about 33333.1966963866. The cubic root of 1111102002 is about 1035.7413382309.

Adding to 1111102002 its reverse (2002011111), we get a palindrome (3113113113).

The spelling of 1111102002 in words is "one billion, one hundred eleven million, one hundred two thousand, two".