122200122121 has 8 divisors (see below), whose sum is σ = 152353399104. Its totient is φ = 95220874320.

The previous prime is 122200122061. The next prime is 122200122133. The reversal of 122200122121 is 121221002221.

It is a happy number.

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

It is not a de Polignac number, because 122200122121 - 2²¹ = 122198024969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122200122095 and 122200122104.

It is not an unprimeable number, because it can be changed into a prime (122200122181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793507210 + ... + 793507363.

It is an arithmetic number, because the mean of its divisors is an integer number (19044174888).

Almost surely, 2^122200122121 is an apocalyptic number.

122200122121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122200122121 is a deficient number, since it is larger than the sum of its proper divisors (30153276983).

122200122121 is a wasteful number, since it uses less digits than its factorization.

122200122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587014591.

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

Adding to 122200122121 its reverse (121221002221), we get a palindrome (243421124342).

The spelling of 122200122121 in words is "one hundred twenty-two billion, two hundred million, one hundred twenty-two thousand, one hundred twenty-one".