101521152 has 108 divisors (see below), whose sum is σ = 295746360. Its totient is φ = 33490944.

The previous prime is 101521117. The next prime is 101521153. The reversal of 101521152 is 251125101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101521153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 320098 + ... + 320414.

Almost surely, 2^101521152 is an apocalyptic number.

101521152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101521152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147873180).

101521152 is an abundant number, since it is smaller than the sum of its proper divisors (194225208).

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

101521152 is a wasteful number, since it uses less digits than its factorization.

101521152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 101521152 is about 10075.7705412539. The cubic root of 101521152 is about 466.5005703684.

Adding to 101521152 its reverse (251125101), we get a palindrome (352646253).

The spelling of 101521152 in words is "one hundred one million, five hundred twenty-one thousand, one hundred fifty-two".