20112400211 has 8 divisors (see below), whose sum is σ = 20217894720. Its totient is φ = 20007142848.

The previous prime is 20112400207. The next prime is 20112400213. The reversal of 20112400211 is 11200421102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20112400211 - 2² = 20112400207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112400213) 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, 112070 + ... + 229748.

It is an arithmetic number, because the mean of its divisors is an integer number (2527236840).

Almost surely, 2^20112400211 is an apocalyptic number.

20112400211 is a deficient number, since it is larger than the sum of its proper divisors (105494509).

20112400211 is a wasteful number, since it uses less digits than its factorization.

20112400211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118573.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20112400211 its reverse (11200421102), we get a palindrome (31312821313).

The spelling of 20112400211 in words is "twenty billion, one hundred twelve million, four hundred thousand, two hundred eleven".