112120999999999 has 4 divisors (see below), whose sum is σ = 112122263466664. Its totient is φ = 112119736533336.

The previous prime is 112120999999979. The next prime is 112121000000081. The reversal of 112120999999999 is 999999999021211.

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

It is a cyclic number.

It is not a de Polignac number, because 112120999999999 - 2¹³ = 112120999991807 is a prime.

It is a super-2 number, since 2×112120999999999² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

112120999999999 is a modest number, since divided by 99999999 gives 1121209 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120999999979) 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, 631600212 + ... + 631777705.

It is an arithmetic number, because the mean of its divisors is an integer number (28030565866666).

Almost surely, 2^{112120999999999} is an apocalyptic number.

112120999999999 is a deficient number, since it is larger than the sum of its proper divisors (1263466665).

112120999999999 is an equidigital number, since it uses as much as digits as its factorization.

112120999999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263466664.

The product of its (nonzero) digits is 1549681956, while the sum is 88.

The spelling of 112120999999999 in words is "one hundred twelve trillion, one hundred twenty billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".