1000112021001 has 16 divisors (see below), whose sum is σ = 1482475708800. Its totient is φ = 666368625744.

The previous prime is 1000112020997. The next prime is 1000112021039. The reversal of 1000112021001 is 1001202110001.

It is a happy number.

1000112021001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1000112021001 - 2² = 1000112020997 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 (1000112021081) 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, 10304181 + ... + 10400786.

It is an arithmetic number, because the mean of its divisors is an integer number (92654731800).

Almost surely, 2^{1000112021001} is an apocalyptic number.

It is an amenable number.

1000112021001 is a deficient number, since it is larger than the sum of its proper divisors (482363687799).

1000112021001 is a wasteful number, since it uses less digits than its factorization.

1000112021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20706765 (or 20706759 counting only the distinct ones).

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

Adding to 1000112021001 its reverse (1001202110001), we get a palindrome (2001314131002).

The spelling of 1000112021001 in words is "one trillion, one hundred twelve million, twenty-one thousand, one".