122121103211 has 8 divisors (see below), whose sum is σ = 124531232064. Its totient is φ = 119728251720.

The previous prime is 122121103207. The next prime is 122121103241. The reversal of 122121103211 is 112301121221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122121103211 - 2² = 122121103207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122121103211.

It is not an unprimeable number, because it can be changed into a prime (122121103241) 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 7 ways as a sum of consecutive naturals, for example, 4305065 + ... + 4333338.

It is an arithmetic number, because the mean of its divisors is an integer number (15566404008).

Almost surely, 2^122121103211 is an apocalyptic number.

122121103211 is a deficient number, since it is larger than the sum of its proper divisors (2410128853).

122121103211 is an equidigital number, since it uses as much as digits as its factorization.

122121103211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8638681.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 122121103211 its reverse (112301121221), we get a palindrome (234422224432).

The spelling of 122121103211 in words is "one hundred twenty-two billion, one hundred twenty-one million, one hundred three thousand, two hundred eleven".