2121432243141 has 8 divisors (see below), whose sum is σ = 2828624000544. Its totient is φ = 1414264323920.

The previous prime is 2121432243113. The next prime is 2121432243149. The reversal of 2121432243141 is 1413422341212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2121432243141 - 2⁷ = 2121432243013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2121432243099 and 2121432243108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121432243149) 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, 5750850 + ... + 6108611.

It is an arithmetic number, because the mean of its divisors is an integer number (353578000068).

Almost surely, 2^{2121432243141} is an apocalyptic number.

It is an amenable number.

2121432243141 is a deficient number, since it is larger than the sum of its proper divisors (707191757403).

2121432243141 is a wasteful number, since it uses less digits than its factorization.

2121432243141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11919091.

The product of its digits is 9216, while the sum is 30.

Adding to 2121432243141 its reverse (1413422341212), we get a palindrome (3534854584353).

The spelling of 2121432243141 in words is "two trillion, one hundred twenty-one billion, four hundred thirty-two million, two hundred forty-three thousand, one hundred forty-one".