112211202001998 has 64 divisors (see below), whose sum is σ = 259228725622272. Its totient is φ = 32002843361280.

The previous prime is 112211202001979. The next prime is 112211202001999. The reversal of 112211202001998 is 899100202112211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112211202001999) 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 31 ways as a sum of consecutive naturals, for example, 111906190 + ... + 112904462.

It is an arithmetic number, because the mean of its divisors is an integer number (4050448837848).

Almost surely, 2^{112211202001998} is an apocalyptic number.

112211202001998 is an abundant number, since it is smaller than the sum of its proper divisors (147017523620274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112211202001998 is a wasteful number, since it uses less digits than its factorization.

112211202001998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098489.

The product of its (nonzero) digits is 10368, while the sum is 39.

The spelling of 112211202001998 in words is "one hundred twelve trillion, two hundred eleven billion, two hundred two million, one thousand, nine hundred ninety-eight".