1112121020005 has 32 divisors (see below), whose sum is σ = 1406154461184. Its totient is φ = 843309605376.

The previous prime is 1112121019979. The next prime is 1112121020009. The reversal of 1112121020005 is 5000201212111.

It is a cyclic number.

It is not a de Polignac number, because 1112121020005 - 2³⁵ = 1077761281637 is a prime.

It is a super-2 number, since 2×1112121020005² (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 (1112121020009) 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, 2864257 + ... + 3229273.

It is an arithmetic number, because the mean of its divisors is an integer number (43942326912).

Almost surely, 2^{1112121020005} is an apocalyptic number.

It is an amenable number.

1112121020005 is a deficient number, since it is larger than the sum of its proper divisors (294033441179).

1112121020005 is a wasteful number, since it uses less digits than its factorization.

1112121020005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365485.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 1112121020005 its reverse (5000201212111), we get a palindrome (6112322232116).

The spelling of 1112121020005 in words is "one trillion, one hundred twelve billion, one hundred twenty-one million, twenty thousand, five".