121133212134143 has 16 divisors (see below), whose sum is σ = 132530035382784. Its totient is φ = 109800526368960.

The previous prime is 121133212134133. The next prime is 121133212134161. The reversal of 121133212134143 is 341431212331121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121133212134143 - 2⁴ = 121133212134127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121133212134133) 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, 134700371 + ... + 135596667.

It is an arithmetic number, because the mean of its divisors is an integer number (8283127211424).

Almost surely, 2^{121133212134143} is an apocalyptic number.

121133212134143 is a deficient number, since it is larger than the sum of its proper divisors (11396823248641).

121133212134143 is a wasteful number, since it uses less digits than its factorization.

121133212134143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932062.

The product of its digits is 10368, while the sum is 32.

Adding to 121133212134143 its reverse (341431212331121), we get a palindrome (462564424465264).

The spelling of 121133212134143 in words is "one hundred twenty-one trillion, one hundred thirty-three billion, two hundred twelve million, one hundred thirty-four thousand, one hundred forty-three".