20111102183 has 2 divisors, whose sum is σ = 20111102184. Its totient is φ = 20111102182.

The previous prime is 20111102171. The next prime is 20111102251. The reversal of 20111102183 is 38120111102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20111102183 - 2¹⁸ = 20110840039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20111102483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055551091 + 10055551092.

It is an arithmetic number, because the mean of its divisors is an integer number (10055551092).

Almost surely, 2^20111102183 is an apocalyptic number.

20111102183 is a deficient number, since it is larger than the sum of its proper divisors (1).

20111102183 is an equidigital number, since it uses as much as digits as its factorization.

20111102183 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 20111102183 its reverse (38120111102), we get a palindrome (58231213285).

The spelling of 20111102183 in words is "twenty billion, one hundred eleven million, one hundred two thousand, one hundred eighty-three".