103112221050 has 96 divisors (see below), whose sum is σ = 285046220160. Its totient is φ = 27408067200.

The previous prime is 103112221033. The next prime is 103112221117. The reversal of 103112221050 is 50122211301.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 297054 + ... + 542646.

It is an arithmetic number, because the mean of its divisors is an integer number (2969231460).

Almost surely, 2^103112221050 is an apocalyptic number.

103112221050 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 103112221050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142523110080).

103112221050 is an abundant number, since it is smaller than the sum of its proper divisors (181933999110).

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

103112221050 is a wasteful number, since it uses less digits than its factorization.

103112221050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245925 (or 245914 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 103112221050 its reverse (50122211301), we get a palindrome (153234432351).

The spelling of 103112221050 in words is "one hundred three billion, one hundred twelve million, two hundred twenty-one thousand, fifty".