121223444322121 has 8 divisors (see below), whose sum is σ = 122180926300160. Its totient is φ = 120266008698528.

The previous prime is 121223444322107. The next prime is 121223444322133.

It is a happy number.

121223444322121 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121223444322121 is a prime.

It is a super-2 number, since 2×121223444322121² (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 (121223444392121) 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, 6328281 + ... + 16807558.

It is an arithmetic number, because the mean of its divisors is an integer number (15272615787520).

Almost surely, 2^{121223444322121} is an apocalyptic number.

It is an amenable number.

121223444322121 is a deficient number, since it is larger than the sum of its proper divisors (957481978039).

121223444322121 is a wasteful number, since it uses less digits than its factorization.

121223444322121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23177223.

The product of its digits is 36864, while the sum is 34.

The spelling of 121223444322121 in words is "one hundred twenty-one trillion, two hundred twenty-three billion, four hundred forty-four million, three hundred twenty-two thousand, one hundred twenty-one".