103214520520 has 128 divisors (see below), whose sum is σ = 240824586240. Its totient is φ = 39793904640.

The previous prime is 103214520503. The next prime is 103214520523. The reversal of 103214520520 is 25025412301.

It is not an unprimeable number, because it can be changed into a prime (103214520523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25718034 + ... + 25722046.

It is an arithmetic number, because the mean of its divisors is an integer number (1881442080).

Almost surely, 2^103214520520 is an apocalyptic number.

103214520520 is a gapful number since it is divisible by the number (10) 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 103214520520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120412293120).

103214520520 is an abundant number, since it is smaller than the sum of its proper divisors (137610065720).

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

103214520520 is a wasteful number, since it uses less digits than its factorization.

103214520520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295 (or 4291 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 103214520520 its reverse (25025412301), we get a palindrome (128239932821).

The spelling of 103214520520 in words is "one hundred three billion, two hundred fourteen million, five hundred twenty thousand, five hundred twenty".