100021143045 has 8 divisors (see below), whose sum is σ = 160033828896. Its totient is φ = 53344609616.

The previous prime is 100021143041. The next prime is 100021143107. The reversal of 100021143045 is 540341120001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100021143045 - 2² = 100021143041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021143041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3334038087 + ... + 3334038116.

It is an arithmetic number, because the mean of its divisors is an integer number (20004228612).

Almost surely, 2^100021143045 is an apocalyptic number.

100021143045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100021143045 is a deficient number, since it is larger than the sum of its proper divisors (60012685851).

100021143045 is an equidigital number, since it uses as much as digits as its factorization.

100021143045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668076211.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 100021143045 its reverse (540341120001), we get a palindrome (640362263046).

The spelling of 100021143045 in words is "one hundred billion, twenty-one million, one hundred forty-three thousand, forty-five".