10215172110 has 160 divisors (see below), whose sum is σ = 29058573600. Its totient is φ = 2284634880.

The previous prime is 10215172087. The next prime is 10215172117. The reversal of 10215172110 is 1127151201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10215172117) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5709096 + ... + 5710884.

It is an arithmetic number, because the mean of its divisors is an integer number (181616085).

Almost surely, 2^10215172110 is an apocalyptic number.

10215172110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10215172110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14529286800).

10215172110 is an abundant number, since it is smaller than the sum of its proper divisors (18843401490).

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

10215172110 is a wasteful number, since it uses less digits than its factorization.

10215172110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856 (or 1823 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 21.

The spelling of 10215172110 in words is "ten billion, two hundred fifteen million, one hundred seventy-two thousand, one hundred ten".