6120103221 has 12 divisors (see below), whose sum is σ = 8985070380. Its totient is φ = 4013182080.

The previous prime is 6120103211. The next prime is 6120103237. The reversal of 6120103221 is 1223010216.

6120103221 is a `hidden beast` number, since 612 + 0 + 1 + 0 + 32 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 112148100 + 6007955121 = 10590^2 + 77511^2 .

It is not a de Polignac number, because 6120103221 - 2²³ = 6111714613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6120103194 and 6120103203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6120103211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5573316 + ... + 5574413.

It is an arithmetic number, because the mean of its divisors is an integer number (748755865).

Almost surely, 2^6120103221 is an apocalyptic number.

6120103221 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6120103221 is a deficient number, since it is larger than the sum of its proper divisors (2864967159).

6120103221 is a wasteful number, since it uses less digits than its factorization.

6120103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11147796 (or 11147793 counting only the distinct ones).

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

The square root of 6120103221 is about 78231.0885837593. The cubic root of 6120103221 is about 1829.1651383125.

Adding to 6120103221 its reverse (1223010216), we get a palindrome (7343113437).

The spelling of 6120103221 in words is "six billion, one hundred twenty million, one hundred three thousand, two hundred twenty-one".