21112200201 has 8 divisors (see below), whose sum is σ = 28183559680. Its totient is φ = 14057820432.

The previous prime is 21112200199. The next prime is 21112200209. The reversal of 21112200201 is 10200221112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21112200201 - 2¹ = 21112200199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21112200209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4242025 + ... + 4246998.

It is an arithmetic number, because the mean of its divisors is an integer number (3522944960).

Almost surely, 2^21112200201 is an apocalyptic number.

It is an amenable number.

21112200201 is a deficient number, since it is larger than the sum of its proper divisors (7071359479).

21112200201 is an equidigital number, since it uses as much as digits as its factorization.

21112200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8489855.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21112200201 its reverse (10200221112), we get a palindrome (31312421313).

The spelling of 21112200201 in words is "twenty-one billion, one hundred twelve million, two hundred thousand, two hundred one".