122210022121 has 8 divisors (see below), whose sum is σ = 133363530144. Its totient is φ = 111063765120.

The previous prime is 122210022071. The next prime is 122210022157. The reversal of 122210022121 is 121220012221.

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 122210022121 - 2¹³ = 122210013929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122210022095 and 122210022104.

It is not an unprimeable number, because it can be changed into a prime (122210026121) 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, 1777480 + ... + 1844953.

It is an arithmetic number, because the mean of its divisors is an integer number (16670441268).

Almost surely, 2^122210022121 is an apocalyptic number.

122210022121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122210022121 is a deficient number, since it is larger than the sum of its proper divisors (11153508023).

122210022121 is a wasteful number, since it uses less digits than its factorization.

122210022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3625511.

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

Adding to 122210022121 its reverse (121220012221), we get a palindrome (243430034342).

The spelling of 122210022121 in words is "one hundred twenty-two billion, two hundred ten million, twenty-two thousand, one hundred twenty-one".