1112102001 has 16 divisors (see below), whose sum is σ = 1648292800. Its totient is φ = 741070944.

The previous prime is 1112101997. The next prime is 1112102009. The reversal of 1112102001 is 1002012111.

It is a happy number.

It is not a de Polignac number, because 1112102001 - 2² = 1112101997 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112102009) 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, 62790 + ... + 78528.

It is an arithmetic number, because the mean of its divisors is an integer number (103018300).

Almost surely, 2^1112102001 is an apocalyptic number.

It is an amenable number.

1112102001 is a deficient number, since it is larger than the sum of its proper divisors (536190799).

1112102001 is a wasteful number, since it uses less digits than its factorization.

1112102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18365 (or 18359 counting only the distinct ones).

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

The square root of 1112102001 is about 33348.1933693566. The cubic root of 1112102001 is about 1036.0519696976.

Adding to 1112102001 its reverse (1002012111), we get a palindrome (2114114112).

The spelling of 1112102001 in words is "one billion, one hundred twelve million, one hundred two thousand, one".