20144121103 has 2 divisors, whose sum is σ = 20144121104. Its totient is φ = 20144121102.

The previous prime is 20144121077. The next prime is 20144121131. The reversal of 20144121103 is 30112144102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20144121103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20144121133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10072060551 + 10072060552.

It is an arithmetic number, because the mean of its divisors is an integer number (10072060552).

Almost surely, 2^20144121103 is an apocalyptic number.

20144121103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20144121103 is an equidigital number, since it uses as much as digits as its factorization.

20144121103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20144121103 its reverse (30112144102), we get a palindrome (50256265205).

The spelling of 20144121103 in words is "twenty billion, one hundred forty-four million, one hundred twenty-one thousand, one hundred three".