121122141221121 has 8 divisors (see below), whose sum is σ = 167065022374080. Its totient is φ = 77963677107792.

The previous prime is 121122141221111. The next prime is 121122141221161.

121122141221121 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 121122141221121 - 2³⁰ = 121121067479297 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121122141221091 and 121122141221100.

It is not an unprimeable number, because it can be changed into a prime (121122141221111) 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, 696104259805 + ... + 696104259978.

It is an arithmetic number, because the mean of its divisors is an integer number (20883127796760).

Almost surely, 2^{121122141221121} is an apocalyptic number.

It is an amenable number.

121122141221121 is a deficient number, since it is larger than the sum of its proper divisors (45942881152959).

121122141221121 is a wasteful number, since it uses less digits than its factorization.

121122141221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392208519815.

The product of its digits is 256, while the sum is 24.

The spelling of 121122141221121 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred forty-one million, two hundred twenty-one thousand, one hundred twenty-one".