121322141223121 has 4 divisors (see below), whose sum is σ = 121322976442992. Its totient is φ = 121321306003252.

The previous prime is 121322141223113. The next prime is 121322141223133.

121322141223121 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 121322141223121 - 2³ = 121322141223113 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 121322141223121.

It is not an unprimeable number, because it can be changed into a prime (121322141223161) 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, 417392011 + ... + 417682576.

It is an arithmetic number, because the mean of its divisors is an integer number (30330744110748).

Almost surely, 2^{121322141223121} is an apocalyptic number.

It is an amenable number.

121322141223121 is a deficient number, since it is larger than the sum of its proper divisors (835219871).

121322141223121 is an equidigital number, since it uses as much as digits as its factorization.

121322141223121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835219870.

The product of its digits is 2304, while the sum is 28.

The spelling of 121322141223121 in words is "one hundred twenty-one trillion, three hundred twenty-two billion, one hundred forty-one million, two hundred twenty-three thousand, one hundred twenty-one".