21120112200201 has 16 divisors (see below), whose sum is σ = 32183641190400. Its totient is φ = 12068405639568.

The previous prime is 21120112200199. The next prime is 21120112200203. The reversal of 21120112200201 is 10200221102112.

It is an interprime number because it is at equal distance from previous prime (21120112200199) and next prime (21120112200203).

It is not a de Polignac number, because 21120112200201 - 2¹ = 21120112200199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21120112200203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8447571 + ... + 10658408.

It is an arithmetic number, because the mean of its divisors is an integer number (2011477574400).

Almost surely, 2^{21120112200201} is an apocalyptic number.

21120112200201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21120112200201 is a deficient number, since it is larger than the sum of its proper divisors (11063528990199).

21120112200201 is a wasteful number, since it uses less digits than its factorization.

21120112200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19158628.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 21120112200201 its reverse (10200221102112), we get a palindrome (31320333302313).

The spelling of 21120112200201 in words is "twenty-one trillion, one hundred twenty billion, one hundred twelve million, two hundred thousand, two hundred one".