21000001112183 has 2 divisors, whose sum is σ = 21000001112184. Its totient is φ = 21000001112182.

The previous prime is 21000001112177. The next prime is 21000001112213. The reversal of 21000001112183 is 38121110000012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21000001112183 - 2¹² = 21000001108087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21000001112383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10500000556091 + 10500000556092.

It is an arithmetic number, because the mean of its divisors is an integer number (10500000556092).

Almost surely, 2^{21000001112183} is an apocalyptic number.

21000001112183 is a deficient number, since it is larger than the sum of its proper divisors (1).

21000001112183 is an equidigital number, since it uses as much as digits as its factorization.

21000001112183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 21000001112183 its reverse (38121110000012), we get a palindrome (59121111112195).

The spelling of 21000001112183 in words is "twenty-one trillion, one million, one hundred twelve thousand, one hundred eighty-three".