100021444034 has 4 divisors (see below), whose sum is σ = 150032166054. Its totient is φ = 50010722016.

The previous prime is 100021444009. The next prime is 100021444063. The reversal of 100021444034 is 430444120001.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 64488063025 + 35533381009 = 253945^2 + 188503^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25005361007 + ... + 25005361010.

Almost surely, 2^100021444034 is an apocalyptic number.

100021444034 is a deficient number, since it is larger than the sum of its proper divisors (50010722020).

100021444034 is an equidigital number, since it uses as much as digits as its factorization.

100021444034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50010722019.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 100021444034 its reverse (430444120001), we get a palindrome (530465564035).

The spelling of 100021444034 in words is "one hundred billion, twenty-one million, four hundred forty-four thousand, thirty-four".