1200112110101 has 4 divisors (see below), whose sum is σ = 1201323122304. Its totient is φ = 1198901097900.

The previous prime is 1200112110091. The next prime is 1200112110133. The reversal of 1200112110101 is 1010112110021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1200112110101 - 2³⁰ = 1199038368277 is a prime.

It is a super-2 number, since 2×1200112110101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200112110181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605504615 + ... + 605506596.

It is an arithmetic number, because the mean of its divisors is an integer number (300330780576).

Almost surely, 2^{1200112110101} is an apocalyptic number.

It is an amenable number.

1200112110101 is a deficient number, since it is larger than the sum of its proper divisors (1211012203).

1200112110101 is an equidigital number, since it uses as much as digits as its factorization.

1200112110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211012202.

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

Adding to 1200112110101 its reverse (1010112110021), we get a palindrome (2210224220122).

The spelling of 1200112110101 in words is "one trillion, two hundred billion, one hundred twelve million, one hundred ten thousand, one hundred one".