1121220010105 has 32 divisors (see below), whose sum is σ = 1460819017728. Its totient is φ = 821212608000.

The previous prime is 1121220010073. The next prime is 1121220010121. The reversal of 1121220010105 is 5010100221211.

It is not a de Polignac number, because 1121220010105 - 2⁵ = 1121220010073 is a prime.

It is a super-2 number, since 2×1121220010105² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 10194960 + ... + 10304350.

It is an arithmetic number, because the mean of its divisors is an integer number (45650594304).

Almost surely, 2^{1121220010105} is an apocalyptic number.

It is an amenable number.

1121220010105 is a deficient number, since it is larger than the sum of its proper divisors (339599007623).

1121220010105 is a wasteful number, since it uses less digits than its factorization.

1121220010105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110697.

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

Adding to 1121220010105 its reverse (5010100221211), we get a palindrome (6131320231316).

The spelling of 1121220010105 in words is "one trillion, one hundred twenty-one billion, two hundred twenty million, ten thousand, one hundred five".