103113021220 has 48 divisors (see below), whose sum is σ = 239458520448. Its totient is φ = 36981999360.

The previous prime is 103113021211. The next prime is 103113021233. The reversal of 103113021220 is 22120311301.

It is a junction number, because it is equal to n+sod(n) for n = 103113021194 and 103113021203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3194184 + ... + 3226303.

It is an arithmetic number, because the mean of its divisors is an integer number (4988719176).

Almost surely, 2^103113021220 is an apocalyptic number.

103113021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103113021220 is an abundant number, since it is smaller than the sum of its proper divisors (136345499228).

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

103113021220 is a wasteful number, since it uses less digits than its factorization.

103113021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6420580 (or 6420578 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 103113021220 its reverse (22120311301), we get a palindrome (125233332521).

The spelling of 103113021220 in words is "one hundred three billion, one hundred thirteen million, twenty-one thousand, two hundred twenty".