1234202110421 has 8 divisors (see below), whose sum is σ = 1410527824704. Its totient is φ = 1057879177920.

The previous prime is 1234202110417. The next prime is 1234202110511. The reversal of 1234202110421 is 1240112024321.

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 1234202110421 - 2² = 1234202110417 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 (1234202119421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362606 + ... + 1612416.

It is an arithmetic number, because the mean of its divisors is an integer number (176315978088).

Almost surely, 2^{1234202110421} is an apocalyptic number.

It is an amenable number.

1234202110421 is a deficient number, since it is larger than the sum of its proper divisors (176325714283).

1234202110421 is a wasteful number, since it uses less digits than its factorization.

1234202110421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390891.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1234202110421 its reverse (1240112024321), we get a palindrome (2474314134742).

The spelling of 1234202110421 in words is "one trillion, two hundred thirty-four billion, two hundred two million, one hundred ten thousand, four hundred twenty-one".