122245145023121 has 16 divisors (see below), whose sum is σ = 129463385197824. Its totient is φ = 115029946020864.

The previous prime is 122245145023117. The next prime is 122245145023219. The reversal of 122245145023121 is 121320541542221.

It is not a de Polignac number, because 122245145023121 - 2² = 122245145023117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122245145023021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2971205276 + ... + 2971246418.

It is an arithmetic number, because the mean of its divisors is an integer number (8091461574864).

Almost surely, 2^{122245145023121} is an apocalyptic number.

It is an amenable number.

122245145023121 is a deficient number, since it is larger than the sum of its proper divisors (7218240174703).

122245145023121 is a wasteful number, since it uses less digits than its factorization.

122245145023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73840.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 122245145023121 its reverse (121320541542221), we get a palindrome (243565686565342).

The spelling of 122245145023121 in words is "one hundred twenty-two trillion, two hundred forty-five billion, one hundred forty-five million, twenty-three thousand, one hundred twenty-one".