122001102121 has 4 divisors (see below), whose sum is σ = 122003718544. Its totient is φ = 121998485700.

The previous prime is 122001102109. The next prime is 122001102143. The reversal of 122001102121 is 121201100221.

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 122001102121 - 2⁷ = 122001101993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122001102161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1236975 + ... + 1331956.

It is an arithmetic number, because the mean of its divisors is an integer number (30500929636).

Almost surely, 2^122001102121 is an apocalyptic number.

It is an amenable number.

122001102121 is a deficient number, since it is larger than the sum of its proper divisors (2616423).

122001102121 is an equidigital number, since it uses as much as digits as its factorization.

122001102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616422.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122001102121 its reverse (121201100221), we get a palindrome (243202202342).

The spelling of 122001102121 in words is "one hundred twenty-two billion, one million, one hundred two thousand, one hundred twenty-one".