21000020112096 has 48 divisors (see below), whose sum is σ = 56903280311808. Its totient is φ = 6774200035200.

The previous prime is 21000020112083. The next prime is 21000020112277. The reversal of 21000020112096 is 69021102000012.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3528226210 + ... + 3528232161.

It is an arithmetic number, because the mean of its divisors is an integer number (1185485006496).

Almost surely, 2^{21000020112096} is an apocalyptic number.

It is an amenable number.

21000020112096 is an abundant number, since it is smaller than the sum of its proper divisors (35903260199712).

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

21000020112096 is a wasteful number, since it uses less digits than its factorization.

21000020112096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7056458415 (or 7056458407 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 21000020112096 in words is "twenty-one trillion, twenty million, one hundred twelve thousand, ninety-six".