121142134221229 has 16 divisors (see below), whose sum is σ = 132208932240000. Its totient is φ = 110084320971520.

The previous prime is 121142134221209. The next prime is 121142134221271. The reversal of 121142134221229 is 922122431241121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121142134221229 is a prime.

It is a super-3 number, since 3×121142134221229³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121142134221209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488748672 + ... + 488996470.

It is an arithmetic number, because the mean of its divisors is an integer number (8263058265000).

Almost surely, 2^{121142134221229} is an apocalyptic number.

It is an amenable number.

121142134221229 is a deficient number, since it is larger than the sum of its proper divisors (11066798018771).

121142134221229 is a wasteful number, since it uses less digits than its factorization.

121142134221229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265748.

The product of its digits is 27648, while the sum is 37.

The spelling of 121142134221229 in words is "one hundred twenty-one trillion, one hundred forty-two billion, one hundred thirty-four million, two hundred twenty-one thousand, two hundred twenty-nine".