10215021102 has 96 divisors (see below), whose sum is σ = 24457295520. Its totient is φ = 2825011200.

The previous prime is 10215021049. The next prime is 10215021107. The reversal of 10215021102 is 20112051201.

10215021102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10215021102² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10215021107) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 833902 + ... + 846062.

It is an arithmetic number, because the mean of its divisors is an integer number (254763495).

Almost surely, 2^10215021102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10215021102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12228647760).

10215021102 is an abundant number, since it is smaller than the sum of its proper divisors (14242274418).

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

10215021102 is a wasteful number, since it uses less digits than its factorization.

10215021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12290 (or 12279 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 10215021102 its reverse (20112051201), we get a palindrome (30327072303).

The spelling of 10215021102 in words is "ten billion, two hundred fifteen million, twenty-one thousand, one hundred two".