103213220112 has 80 divisors (see below), whose sum is σ = 296596780480. Its totient is φ = 34365316608.

The previous prime is 103213220111. The next prime is 103213220119. The reversal of 103213220112 is 211022312301.

103213220112 is a `hidden beast` number, since 10 + 321 + 3 + 220 + 112 = 666.

103213220112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×103213220112² (a number of 23 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (103213220111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246168 + ... + 516744.

It is an arithmetic number, because the mean of its divisors is an integer number (3707459756).

Almost surely, 2^103213220112 is an apocalyptic number.

103213220112 is a gapful number since it is divisible by the number (12) 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 103213220112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148298390240).

103213220112 is an abundant number, since it is smaller than the sum of its proper divisors (193383560368).

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

103213220112 is a wasteful number, since it uses less digits than its factorization.

103213220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271477 (or 271465 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 103213220112 its reverse (211022312301), we get a palindrome (314235532413).

The spelling of 103213220112 in words is "one hundred three billion, two hundred thirteen million, two hundred twenty thousand, one hundred twelve".