11430120132421 has 8 divisors (see below), whose sum is σ = 11449554211800. Its totient is φ = 11410702533120.

The previous prime is 11430120132419. The next prime is 11430120132479. The reversal of 11430120132421 is 12423102103411.

It can be written as a sum of positive squares in 4 ways, for example, as 5791656175396 + 5638463957025 = 2406586^2 + 2374545^2 .

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 11430120132421 - 2¹ = 11430120132419 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 (11430120162421) 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, 2731300 + ... + 5506381.

It is an arithmetic number, because the mean of its divisors is an integer number (1431194276475).

Almost surely, 2^{11430120132421} is an apocalyptic number.

It is an amenable number.

11430120132421 is a deficient number, since it is larger than the sum of its proper divisors (19434079379).

11430120132421 is a wasteful number, since it uses less digits than its factorization.

11430120132421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8240039.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 11430120132421 its reverse (12423102103411), we get a palindrome (23853222235832).

The spelling of 11430120132421 in words is "eleven trillion, four hundred thirty billion, one hundred twenty million, one hundred thirty-two thousand, four hundred twenty-one".