112102001001 has 24 divisors (see below), whose sum is σ = 177800130144. Its totient is φ = 70338507840.

The previous prime is 112102000973. The next prime is 112102001029. The reversal of 112102001001 is 100100201211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (112102000973) and next prime (112102001029).

It is not a de Polignac number, because 112102001001 - 2¹³ = 112101992809 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (112102003001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13564255 + ... + 13572516.

It is an arithmetic number, because the mean of its divisors is an integer number (7408338756).

Almost surely, 2^112102001001 is an apocalyptic number.

It is an amenable number.

112102001001 is a deficient number, since it is larger than the sum of its proper divisors (65698129143).

112102001001 is an equidigital number, since it uses as much as digits as its factorization.

112102001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27136803 (or 27136791 counting only the distinct ones).

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

Adding to 112102001001 its reverse (100100201211), we get a palindrome (212202202212).

The spelling of 112102001001 in words is "one hundred twelve billion, one hundred two million, one thousand, one".