1000120112101 has 8 divisors (see below), whose sum is σ = 1091266866144. Its totient is φ = 909011148720.

The previous prime is 1000120112099. The next prime is 1000120112111. The reversal of 1000120112101 is 1012110210001.

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 1000120112101 - 2¹ = 1000120112099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000120112111) 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, 9392311 + ... + 9498196.

It is an arithmetic number, because the mean of its divisors is an integer number (136408358268).

Almost surely, 2^{1000120112101} is an apocalyptic number.

1000120112101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1000120112101 is a deficient number, since it is larger than the sum of its proper divisors (91146754043).

1000120112101 is a wasteful number, since it uses less digits than its factorization.

1000120112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18895331.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1000120112101 its reverse (1012110210001), we get a palindrome (2012230322102).

It can be divided in two parts, 10001 and 20112101, that added together give a palindrome (20122102).

The spelling of 1000120112101 in words is "one trillion, one hundred twenty million, one hundred twelve thousand, one hundred one".