21112001114112 has 78 divisors (see below), whose sum is σ = 60982780451372. Its totient is φ = 7037333692416.

The previous prime is 21112001114107. The next prime is 21112001114131. The reversal of 21112001114112 is 21141110021112.

21112001114112 is a `hidden beast` number, since 21 + 1 + 120 + 0 + 111 + 411 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 286312978 + ... + 286386705.

Almost surely, 2^{21112001114112} is an apocalyptic number.

It is an amenable number.

21112001114112 is an abundant number, since it is smaller than the sum of its proper divisors (39870779337260).

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

21112001114112 is an equidigital number, since it uses as much as digits as its factorization.

21112001114112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572699713 (or 572699688 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 21112001114112 its reverse (21141110021112), we get a palindrome (42253111135224).

The spelling of 21112001114112 in words is "twenty-one trillion, one hundred twelve billion, one million, one hundred fourteen thousand, one hundred twelve".