10112120011001 has 4 divisors (see below), whose sum is σ = 10121579432100. Its totient is φ = 10102660589904.

The previous prime is 10112120010959. The next prime is 10112120011057. The reversal of 10112120011001 is 10011002121101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7428617351401 + 2683502659600 = 2725549^2 + 1638140^2 .

It is a cyclic number.

It is not a de Polignac number, because 10112120011001 - 2²² = 10112115816697 is a prime.

It is a super-2 number, since 2×10112120011001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10112120011601) 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, 4729708946 + ... + 4729711083.

It is an arithmetic number, because the mean of its divisors is an integer number (2530394858025).

Almost surely, 2^{10112120011001} is an apocalyptic number.

It is an amenable number.

10112120011001 is a deficient number, since it is larger than the sum of its proper divisors (9459421099).

10112120011001 is an equidigital number, since it uses as much as digits as its factorization.

10112120011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9459421098.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10112120011001 its reverse (10011002121101), we get a palindrome (20123122132102).

The spelling of 10112120011001 in words is "ten trillion, one hundred twelve billion, one hundred twenty million, eleven thousand, one".