21020333200112 has 20 divisors (see below), whose sum is σ = 40733452988136. Its totient is φ = 10508474364480.

The previous prime is 21020333200057. The next prime is 21020333200211. The reversal of 21020333200112 is 21100233302012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105662243 + ... + 105860994.

Almost surely, 2^{21020333200112} is an apocalyptic number.

It is an amenable number.

21020333200112 is a deficient number, since it is larger than the sum of its proper divisors (19713119788024).

21020333200112 is a wasteful number, since it uses less digits than its factorization.

21020333200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211529456 (or 211529450 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21020333200112 its reverse (21100233302012), we get a palindrome (42120566502124).

The spelling of 21020333200112 in words is "twenty-one trillion, twenty billion, three hundred thirty-three million, two hundred thousand, one hundred twelve".