122221221200201 has 4 divisors (see below), whose sum is σ = 122221312152192. Its totient is φ = 122221130248212.

The previous prime is 122221221200131. The next prime is 122221221200203. The reversal of 122221221200201 is 102002122122221.

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 122221221200201 - 2²² = 122221217005897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122221221200203) 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, 43429601 + ... + 46158126.

It is an arithmetic number, because the mean of its divisors is an integer number (30555328038048).

Almost surely, 2^{122221221200201} is an apocalyptic number.

It is an amenable number.

122221221200201 is a deficient number, since it is larger than the sum of its proper divisors (90951991).

122221221200201 is an equidigital number, since it uses as much as digits as its factorization.

122221221200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90951990.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122221221200201 its reverse (102002122122221), we get a palindrome (224223343322422).

The spelling of 122221221200201 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, two hundred twenty-one million, two hundred thousand, two hundred one".