20134122103 has 4 divisors (see below), whose sum is σ = 21193812760. Its totient is φ = 19074431448.

The previous prime is 20134122083. The next prime is 20134122121. The reversal of 20134122103 is 30122143102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30122143102 = 2 ⋅15061071551.

It is a cyclic number.

It is not a de Polignac number, because 20134122103 - 2²⁵ = 20100567671 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 1059690637 = 20134122103 / (2 + 0 + 1 + 3 + 4 + 1 + 2 + 2 + 1 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134122163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529845300 + ... + 529845337.

It is an arithmetic number, because the mean of its divisors is an integer number (5298453190).

Almost surely, 2^20134122103 is an apocalyptic number.

20134122103 is a deficient number, since it is larger than the sum of its proper divisors (1059690657).

20134122103 is a wasteful number, since it uses less digits than its factorization.

20134122103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059690656.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20134122103 its reverse (30122143102), we get a palindrome (50256265205).

The spelling of 20134122103 in words is "twenty billion, one hundred thirty-four million, one hundred twenty-two thousand, one hundred three".