122212010112121 has 4 divisors (see below), whose sum is σ = 122423816022772. Its totient is φ = 122000204201472.

The previous prime is 122212010112103. The next prime is 122212010112139. The reversal of 122212010112121 is 121211010212221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (122212010112103) and next prime (122212010112139).

It can be written as a sum of positive squares in 2 ways, for example, as 91066558694400 + 31145451417721 = 9542880^2 + 5580811^2 .

It is a cyclic number.

It is not a de Polignac number, because 122212010112121 - 2³³ = 122203420177529 is a prime.

It is a super-2 number, since 2×122212010112121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122212010112191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105902954460 + ... + 105902955613.

It is an arithmetic number, because the mean of its divisors is an integer number (30605954005693).

Almost surely, 2^{122212010112121} is an apocalyptic number.

It is an amenable number.

122212010112121 is a deficient number, since it is larger than the sum of its proper divisors (211805910651).

122212010112121 is an equidigital number, since it uses as much as digits as its factorization.

122212010112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211805910650.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122212010112121 its reverse (121211010212221), we get a palindrome (243423020324342).

The spelling of 122212010112121 in words is "one hundred twenty-two trillion, two hundred twelve billion, ten million, one hundred twelve thousand, one hundred twenty-one".