122221222120001 has 32 divisors (see below), whose sum is σ = 128062931060736. Its totient is φ = 116533505088000.

The previous prime is 122221222119979. The next prime is 122221222120009. The reversal of 122221222120001 is 100021222122221.

It is a cyclic number.

It is not a de Polignac number, because 122221222120001 - 2³⁰ = 122220148378177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122221222120009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3083960456 + ... + 3084000086.

It is an arithmetic number, because the mean of its divisors is an integer number (4001966595648).

Almost surely, 2^{122221222120001} is an apocalyptic number.

It is an amenable number.

122221222120001 is a deficient number, since it is larger than the sum of its proper divisors (5841708940735).

122221222120001 is a wasteful number, since it uses less digits than its factorization.

122221222120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45233.

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

Adding to 122221222120001 its reverse (100021222122221), we get a palindrome (222242444242222).

It can be divided in two parts, 122221 and 222120001, that added together give a palindrome (222242222).

The spelling of 122221222120001 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred twenty thousand, one".