1012001110001 has 8 divisors (see below), whose sum is σ = 1157003151360. Its totient is φ = 867106682208.

The previous prime is 1012001109997. The next prime is 1012001110063. The reversal of 1012001110001 is 1000111002101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012001110001 - 2² = 1012001109997 is a prime.

It is a super-2 number, since 2×1012001110001² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1012001110201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26883236 + ... + 26920853.

It is an arithmetic number, because the mean of its divisors is an integer number (144625393920).

Almost surely, 2^{1012001110001} is an apocalyptic number.

It is an amenable number.

1012001110001 is a deficient number, since it is larger than the sum of its proper divisors (145002041359).

1012001110001 is an equidigital number, since it uses as much as digits as its factorization.

1012001110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53806783.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1012001110001 its reverse (1000111002101), we get a palindrome (2012112112102).

The spelling of 1012001110001 in words is "one trillion, twelve billion, one million, one hundred ten thousand, one".