100021143050 has 48 divisors (see below), whose sum is σ = 205547326272. Its totient is φ = 36017836800.

The previous prime is 100021143041. The next prime is 100021143107. The reversal of 100021143050 is 50341120001.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2538536 + ... + 2577635.

It is an arithmetic number, because the mean of its divisors is an integer number (4282235964).

Almost surely, 2^100021143050 is an apocalyptic number.

100021143050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100021143050 is an abundant number, since it is smaller than the sum of its proper divisors (105526183222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100021143050 is a wasteful number, since it uses less digits than its factorization.

100021143050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5116223 (or 5116218 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 100021143050 its reverse (50341120001), we get a palindrome (150362263051).

The spelling of 100021143050 in words is "one hundred billion, twenty-one million, one hundred forty-three thousand, fifty".