122121212103 has 48 divisors (see below), whose sum is σ = 193258016640. Its totient is φ = 73696392000.

The previous prime is 122121212051. The next prime is 122121212111. The reversal of 122121212103 is 301212121221.

It is not a de Polignac number, because 122121212103 - 2⁶ = 122121212039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122121212173) 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 47 ways as a sum of consecutive naturals, for example, 26299900 + ... + 26304542.

It is an arithmetic number, because the mean of its divisors is an integer number (4026208680).

Almost surely, 2^122121212103 is an apocalyptic number.

122121212103 is a deficient number, since it is larger than the sum of its proper divisors (71136804537).

122121212103 is a wasteful number, since it uses less digits than its factorization.

122121212103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5740 (or 5737 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 122121212103 its reverse (301212121221), we get a palindrome (423333333324).

The spelling of 122121212103 in words is "one hundred twenty-two billion, one hundred twenty-one million, two hundred twelve thousand, one hundred three".