101021530052 has 48 divisors (see below), whose sum is σ = 179862144000. Its totient is φ = 49641081984.

The previous prime is 101021530013. The next prime is 101021530063. The reversal of 101021530052 is 250035120101.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57430349 + ... + 57432107.

It is an arithmetic number, because the mean of its divisors is an integer number (3747128000).

Almost surely, 2^101021530052 is an apocalyptic number.

It is an amenable number.

101021530052 is a deficient number, since it is larger than the sum of its proper divisors (78840613948).

101021530052 is a wasteful number, since it uses less digits than its factorization.

101021530052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868 (or 2866 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 101021530052 its reverse (250035120101), we get a palindrome (351056650153).

The spelling of 101021530052 in words is "one hundred one billion, twenty-one million, five hundred thirty thousand, fifty-two".