1200112112101 has 8 divisors (see below), whose sum is σ = 1371581126784. Its totient is φ = 1028649204240.

The previous prime is 1200112112099. The next prime is 1200112112113. The reversal of 1200112112101 is 1012112110021.

It is a happy number.

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

It is not a de Polignac number, because 1200112112101 - 2¹ = 1200112112099 is a prime.

It is a super-2 number, since 2×1200112112101² (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 (1200112112141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1097545 + ... + 1898638.

It is an arithmetic number, because the mean of its divisors is an integer number (171447640848).

Almost surely, 2^{1200112112101} is an apocalyptic number.

It is an amenable number.

1200112112101 is a deficient number, since it is larger than the sum of its proper divisors (171469014683).

1200112112101 is an equidigital number, since it uses as much as digits as its factorization.

1200112112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053411.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1200112112101 its reverse (1012112110021), we get a palindrome (2212224222122).

The spelling of 1200112112101 in words is "one trillion, two hundred billion, one hundred twelve million, one hundred twelve thousand, one hundred one".