112121101011 has 32 divisors (see below), whose sum is σ = 159928819200. Its totient is φ = 69622156800.

The previous prime is 112121101009. The next prime is 112121101021. The reversal of 112121101011 is 110101121211.

It is not a de Polignac number, because 112121101011 - 2¹ = 112121101009 is a prime.

It is a super-2 number, since 2×112121101011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112121101021) 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 31 ways as a sum of consecutive naturals, for example, 16783770 + ... + 16790448.

It is an arithmetic number, because the mean of its divisors is an integer number (4997775600).

Almost surely, 2^112121101011 is an apocalyptic number.

112121101011 is a deficient number, since it is larger than the sum of its proper divisors (47807718189).

112121101011 is a wasteful number, since it uses less digits than its factorization.

112121101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10059.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 112121101011 its reverse (110101121211), we get a palindrome (222222222222).

The spelling of 112121101011 in words is "one hundred twelve billion, one hundred twenty-one million, one hundred one thousand, eleven".