122102202121 has 8 divisors (see below), whose sum is σ = 122756188064. Its totient is φ = 121448436480.

The previous prime is 122102202113. The next prime is 122102202161. The reversal of 122102202121 is 121202201221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122102202121 - 2³ = 122102202113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122102202095 and 122102202104.

It is not an unprimeable number, because it can be changed into a prime (122102202161) 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 7 ways as a sum of consecutive naturals, for example, 1123630 + ... + 1227496.

It is an arithmetic number, because the mean of its divisors is an integer number (15344523508).

Almost surely, 2^122102202121 is an apocalyptic number.

It is an amenable number.

122102202121 is a deficient number, since it is larger than the sum of its proper divisors (653985943).

122102202121 is a wasteful number, since it uses less digits than its factorization.

122102202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110151.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122102202121 its reverse (121202201221), we get a palindrome (243304403342).

The spelling of 122102202121 in words is "one hundred twenty-two billion, one hundred two million, two hundred two thousand, one hundred twenty-one".