999020102200112 has 20 divisors (see below), whose sum is σ = 1967332619293536. Its totient is φ = 491321361737280.

The previous prime is 999020102200103. The next prime is 999020102200117. The reversal of 999020102200112 is 211002201020999.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (999020102200117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511793084168 + ... + 511793086119.

Almost surely, 2^{999020102200112} is an apocalyptic number.

It is an amenable number.

999020102200112 is a deficient number, since it is larger than the sum of its proper divisors (968312517093424).

999020102200112 is a wasteful number, since it uses less digits than its factorization.

999020102200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023586170356 (or 1023586170350 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 999020102200112 in words is "nine hundred ninety-nine trillion, twenty billion, one hundred two million, two hundred thousand, one hundred twelve".