100441034021 has 4 divisors (see below), whose sum is σ = 101855696544. Its totient is φ = 99026371500.

The previous prime is 100441034011. The next prime is 100441034039. The reversal of 100441034021 is 120430144001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 120430144001 = 739 ⋅162963659.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100441034021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100441033984 and 100441034002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100441034011) 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, 707331155 + ... + 707331296.

It is an arithmetic number, because the mean of its divisors is an integer number (25463924136).

Almost surely, 2^100441034021 is an apocalyptic number.

It is an amenable number.

100441034021 is a deficient number, since it is larger than the sum of its proper divisors (1414662523).

100441034021 is an equidigital number, since it uses as much as digits as its factorization.

100441034021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414662522.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 100441034021 its reverse (120430144001), we get a palindrome (220871178022).

The spelling of 100441034021 in words is "one hundred billion, four hundred forty-one million, thirty-four thousand, twenty-one".