121422121224121 has 4 divisors (see below), whose sum is σ = 121422147394432. Its totient is φ = 121422095053812.

The previous prime is 121422121224067. The next prime is 121422121224127.

121422121224121 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121422121224121 - 2⁹ = 121422121223609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121422121224121.

It is not an unprimeable number, because it can be changed into a prime (121422121224127) 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, 4042701 + ... + 16099306.

It is an arithmetic number, because the mean of its divisors is an integer number (30355536848608).

Almost surely, 2^{121422121224121} is an apocalyptic number.

It is an amenable number.

121422121224121 is a deficient number, since it is larger than the sum of its proper divisors (26170311).

121422121224121 is an equidigital number, since it uses as much as digits as its factorization.

121422121224121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26170310.

The product of its digits is 2048, while the sum is 28.

The spelling of 121422121224121 in words is "one hundred twenty-one trillion, four hundred twenty-two billion, one hundred twenty-one million, two hundred twenty-four thousand, one hundred twenty-one".