122121112201201 has 4 divisors (see below), whose sum is σ = 122121147643632. Its totient is φ = 122121076758772.

The previous prime is 122121112201117. The next prime is 122121112201219. The reversal of 122121112201201 is 102102211121221.

It is a happy number.

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 122121112201201 - 2²⁹ = 122120575330289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122121112241201) 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, 11919691 + ... + 19655056.

It is an arithmetic number, because the mean of its divisors is an integer number (30530286910908).

Almost surely, 2^{122121112201201} is an apocalyptic number.

It is an amenable number.

122121112201201 is a deficient number, since it is larger than the sum of its proper divisors (35442431).

122121112201201 is an equidigital number, since it uses as much as digits as its factorization.

122121112201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35442430.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122121112201201 its reverse (102102211121221), we get a palindrome (224223323322422).

The spelling of 122121112201201 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, one hundred twelve million, two hundred one thousand, two hundred one".