103121334420 has 48 divisors (see below), whose sum is σ = 310950487680. Its totient is φ = 25383712896.

The previous prime is 103121334403. The next prime is 103121334451. The reversal of 103121334420 is 24433121301.

It is a happy number.

It is a super-2 number, since 2×103121334420² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66102640 + ... + 66104199.

It is an arithmetic number, because the mean of its divisors is an integer number (6478135160).

Almost surely, 2^103121334420 is an apocalyptic number.

103121334420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103121334420 is an abundant number, since it is smaller than the sum of its proper divisors (207829153260).

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

103121334420 is a wasteful number, since it uses less digits than its factorization.

103121334420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132206864 (or 132206862 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 103121334420 its reverse (24433121301), we get a palindrome (127554455721).

The spelling of 103121334420 in words is "one hundred three billion, one hundred twenty-one million, three hundred thirty-four thousand, four hundred twenty".