112121010011 has 4 divisors (see below), whose sum is σ = 112442274000. Its totient is φ = 111799746024.

The previous prime is 112121009999. The next prime is 112121010017. The reversal of 112121010011 is 110010121211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110010121211 = 191 ⋅575969221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112121010011 is a prime.

It is a super-2 number, since 2×112121010011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112121009974 and 112121010001.

It is not an unprimeable number, because it can be changed into a prime (112121010017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160631471 + ... + 160632168.

It is an arithmetic number, because the mean of its divisors is an integer number (28110568500).

Almost surely, 2^112121010011 is an apocalyptic number.

112121010011 is a deficient number, since it is larger than the sum of its proper divisors (321263989).

112121010011 is an equidigital number, since it uses as much as digits as its factorization.

112121010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321263988.

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

Adding to 112121010011 its reverse (110010121211), we get a palindrome (222131131222).

The spelling of 112121010011 in words is "one hundred twelve billion, one hundred twenty-one million, ten thousand, eleven".