122121000121 has 8 divisors (see below), whose sum is σ = 128579772800. Its totient is φ = 115665362640.

The previous prime is 122121000119. The next prime is 122121000161. The reversal of 122121000121 is 121000121221.

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 122121000121 - 2¹ = 122121000119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122121000161) 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, 703626 + ... + 859843.

It is an arithmetic number, because the mean of its divisors is an integer number (16072471600).

Almost surely, 2^122121000121 is an apocalyptic number.

It is an amenable number.

122121000121 is a deficient number, since it is larger than the sum of its proper divisors (6458772679).

122121000121 is a wasteful number, since it uses less digits than its factorization.

122121000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567599.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122121000121 its reverse (121000121221), we get a palindrome (243121121342).

The spelling of 122121000121 in words is "one hundred twenty-two billion, one hundred twenty-one million, one hundred twenty-one", and thus it is an aban number.