112121020111009 has 16 divisors (see below), whose sum is σ = 146112460599168. Its totient is φ = 83492834625792.

The previous prime is 112121020110949. The next prime is 112121020111013. The reversal of 112121020111009 is 900111020121211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 112121020111009 - 2³⁹ = 111571264297121 is a prime.

It is a super-2 number, since 2×112121020111009² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112121020111019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36238207927 + ... + 36238211020.

It is an arithmetic number, because the mean of its divisors is an integer number (9132028787448).

Almost surely, 2^{112121020111009} is an apocalyptic number.

It is an amenable number.

112121020111009 is a deficient number, since it is larger than the sum of its proper divisors (33991440488159).

112121020111009 is a wasteful number, since it uses less digits than its factorization.

112121020111009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72476418984.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 112121020111009 in words is "one hundred twelve trillion, one hundred twenty-one billion, twenty million, one hundred eleven thousand, nine".