100334144024021 has 4 divisors (see below), whose sum is σ = 102227241081132. Its totient is φ = 98441046966912.

The previous prime is 100334144024003. The next prime is 100334144024033. The reversal of 100334144024021 is 120420441433001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78217910239921 + 22116233784100 = 8844089^2 + 4702790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100334144024021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100334144024321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 946548528476 + ... + 946548528581.

It is an arithmetic number, because the mean of its divisors is an integer number (25556810270283).

Almost surely, 2^{100334144024021} is an apocalyptic number.

It is an amenable number.

100334144024021 is a deficient number, since it is larger than the sum of its proper divisors (1893097057111).

100334144024021 is an equidigital number, since it uses as much as digits as its factorization.

100334144024021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893097057110.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 100334144024021 its reverse (120420441433001), we get a palindrome (220754585457022).

The spelling of 100334144024021 in words is "one hundred trillion, three hundred thirty-four billion, one hundred forty-four million, twenty-four thousand, twenty-one".