100343433021 has 32 divisors (see below), whose sum is σ = 144425369088. Its totient is φ = 61603238400.

The previous prime is 100343432999. The next prime is 100343433031. The reversal of 100343433021 is 120334343001.

It is not a de Polignac number, because 100343433021 - 2¹³ = 100343424829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100343432982 and 100343433000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100343433031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42679996 + ... + 42682346.

It is an arithmetic number, because the mean of its divisors is an integer number (4513292784).

Almost surely, 2^100343433021 is an apocalyptic number.

It is an amenable number.

100343433021 is a deficient number, since it is larger than the sum of its proper divisors (44081936067).

100343433021 is a wasteful number, since it uses less digits than its factorization.

100343433021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 100343433021 its reverse (120334343001), we get a palindrome (220677776022).

The spelling of 100343433021 in words is "one hundred billion, three hundred forty-three million, four hundred thirty-three thousand, twenty-one".