122103221011121 has 4 divisors (see below), whose sum is σ = 139546538298432. Its totient is φ = 104659903723812.

The previous prime is 122103221011111. The next prime is 122103221011139. The reversal of 122103221011121 is 121110122301221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122103221011121 - 2¹⁰ = 122103221010097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122103221011093 and 122103221011102.

It is not an unprimeable number, because it can be changed into a prime (122103221011111) 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, 8721658643645 + ... + 8721658643658.

It is an arithmetic number, because the mean of its divisors is an integer number (34886634574608).

Almost surely, 2^{122103221011121} is an apocalyptic number.

It is an amenable number.

122103221011121 is a deficient number, since it is larger than the sum of its proper divisors (17443317287311).

122103221011121 is an equidigital number, since it uses as much as digits as its factorization.

122103221011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17443317287310.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 122103221011121 its reverse (121110122301221), we get a palindrome (243213343312342).

The spelling of 122103221011121 in words is "one hundred twenty-two trillion, one hundred three billion, two hundred twenty-one million, eleven thousand, one hundred twenty-one".