100021501132 has 24 divisors (see below), whose sum is σ = 201058460064. Its totient is φ = 42648759552.

The previous prime is 100021501109. The next prime is 100021501133. The reversal of 100021501132 is 231105120001.

It is not an unprimeable number, because it can be changed into a prime (100021501133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9060973 + ... + 9072004.

It is an arithmetic number, because the mean of its divisors is an integer number (8377435836).

Almost surely, 2^100021501132 is an apocalyptic number.

It is an amenable number.

100021501132 is an abundant number, since it is smaller than the sum of its proper divisors (101036958932).

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

100021501132 is a wasteful number, since it uses less digits than its factorization.

100021501132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18133185 (or 18133183 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 100021501132 its reverse (231105120001), we get a palindrome (331126621133).

The spelling of 100021501132 in words is "one hundred billion, twenty-one million, five hundred one thousand, one hundred thirty-two".