112102001 has 4 divisors (see below), whose sum is σ = 122293104. Its totient is φ = 101910900.

The previous prime is 112101991. The next prime is 112102009. The reversal of 112102001 is 100201211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100201211 = 11 ⋅9109201.

It is a cyclic number.

It is not a de Polignac number, because 112102001 - 2⁶ = 112101937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 112102001.

It is not an unprimeable number, because it can be changed into a prime (112102009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5095535 + ... + 5095556.

It is an arithmetic number, because the mean of its divisors is an integer number (30573276).

Almost surely, 2^112102001 is an apocalyptic number.

112102001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112102001 is a deficient number, since it is larger than the sum of its proper divisors (10191103).

112102001 is a wasteful number, since it uses less digits than its factorization.

112102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10191102.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 112102001 is about 10587.8232418189. The cubic root of 112102001 is about 482.1747399357.

Adding to 112102001 its reverse (100201211), we get a palindrome (212303212).

It can be divided in two parts, 11 and 2102001, that added together give a palindrome (2102012).

The spelling of 112102001 in words is "one hundred twelve million, one hundred two thousand, one".