122120221002103 has 4 divisors (see below), whose sum is σ = 122195650417560. Its totient is φ = 122044791586648.

The previous prime is 122120221002083. The next prime is 122120221002137. The reversal of 122120221002103 is 301200122021221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122120221002103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122120221005103) 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 in 3 ways as a sum of consecutive naturals, for example, 37714705300 + ... + 37714708537.

It is an arithmetic number, because the mean of its divisors is an integer number (30548912604390).

Almost surely, 2^{122120221002103} is an apocalyptic number.

122120221002103 is a deficient number, since it is larger than the sum of its proper divisors (75429415457).

122120221002103 is an equidigital number, since it uses as much as digits as its factorization.

122120221002103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75429415456.

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

Adding to 122120221002103 its reverse (301200122021221), we get a palindrome (423320343023324).

The spelling of 122120221002103 in words is "one hundred twenty-two trillion, one hundred twenty billion, two hundred twenty-one million, two thousand, one hundred three".