100000401334421 has 6 divisors (see below), whose sum is σ = 116326997470710. Its totient is φ = 85714629715176.

The previous prime is 100000401334391. The next prime is 100000401334441. The reversal of 100000401334421 is 124433104000001.

It can be written as a sum of positive squares in only one way, i.e., 99631240587025 + 369160747396 = 9981545^2 + 607586^2 .

It is not a de Polignac number, because 100000401334421 - 2¹⁰ = 100000401333397 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 (100000401334441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1020412258466 + ... + 1020412258563.

It is an arithmetic number, because the mean of its divisors is an integer number (19387832911785).

Almost surely, 2^{100000401334421} is an apocalyptic number.

It is an amenable number.

100000401334421 is a deficient number, since it is larger than the sum of its proper divisors (16326596136289).

100000401334421 is an equidigital number, since it uses as much as digits as its factorization.

100000401334421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040824517043 (or 2040824517036 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 100000401334421 its reverse (124433104000001), we get a palindrome (224433505334422).

The spelling of 100000401334421 in words is "one hundred trillion, four hundred one million, three hundred thirty-four thousand, four hundred twenty-one".