112021010001 has 6 divisors (see below), whose sum is σ = 161808125570. Its totient is φ = 74680673328.

The previous prime is 112021009987. The next prime is 112021010053. The reversal of 112021010001 is 100010120211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 87867187776 + 24153822225 = 296424^2 + 155415^2 .

It is not a de Polignac number, because 112021010001 - 2⁹ = 112021009489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 12446778889 = 112021010001 / (1 + 1 + 2 + 0 + 2 + 1 + 0 + 1 + 0 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112021010701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6223389436 + ... + 6223389453.

Almost surely, 2^112021010001 is an apocalyptic number.

It is an amenable number.

112021010001 is a deficient number, since it is larger than the sum of its proper divisors (49787115569).

112021010001 is a wasteful number, since it uses less digits than its factorization.

112021010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12446778895 (or 12446778892 counting only the distinct ones).

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

Adding to 112021010001 its reverse (100010120211), we get a palindrome (212031130212).

The spelling of 112021010001 in words is "one hundred twelve billion, twenty-one million, ten thousand, one".