103212110220 has 24 divisors (see below), whose sum is σ = 288993908784. Its totient is φ = 27523229376.

The previous prime is 103212110191. The next prime is 103212110231. The reversal of 103212110220 is 22011212301.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 103212110220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860100859 + ... + 860100978.

It is an arithmetic number, because the mean of its divisors is an integer number (12041412866).

Almost surely, 2^103212110220 is an apocalyptic number.

103212110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103212110220 is an abundant number, since it is smaller than the sum of its proper divisors (185781798564).

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

103212110220 is a wasteful number, since it uses less digits than its factorization.

103212110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720201849 (or 1720201847 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 103212110220 its reverse (22011212301), we get a palindrome (125223322521).

The spelling of 103212110220 in words is "one hundred three billion, two hundred twelve million, one hundred ten thousand, two hundred twenty".