122102220122121 has 8 divisors (see below), whose sum is σ = 163246564960384. Its totient is φ = 81179677682640.

The previous prime is 122102220122117. The next prime is 122102220122143. The reversal of 122102220122121 is 121221022201221.

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

It is not a de Polignac number, because 122102220122121 - 2² = 122102220122117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122102220122161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55450598410 + ... + 55450600611.

It is an arithmetic number, because the mean of its divisors is an integer number (20405820620048).

Almost surely, 2^{122102220122121} is an apocalyptic number.

It is an amenable number.

122102220122121 is a deficient number, since it is larger than the sum of its proper divisors (41144344838263).

122102220122121 is a wasteful number, since it uses less digits than its factorization.

122102220122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110901199391.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122102220122121 its reverse (121221022201221), we get a palindrome (243323242323342).

The spelling of 122102220122121 in words is "one hundred twenty-two trillion, one hundred two billion, two hundred twenty million, one hundred twenty-two thousand, one hundred twenty-one".