103121120272 has 20 divisors (see below), whose sum is σ = 200503176400. Its totient is φ = 51378365088.

The previous prime is 103121120237. The next prime is 103121120273. The reversal of 103121120272 is 272021121301.

It is not an unprimeable number, because it can be changed into a prime (103121120273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11382522 + ... + 11391577.

It is an arithmetic number, because the mean of its divisors is an integer number (10025158820).

Almost surely, 2^103121120272 is an apocalyptic number.

It is an amenable number.

103121120272 is a deficient number, since it is larger than the sum of its proper divisors (97382056128).

103121120272 is a wasteful number, since it uses less digits than its factorization.

103121120272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22774390 (or 22774384 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 103121120272 its reverse (272021121301), we get a palindrome (375142241573).

The spelling of 103121120272 in words is "one hundred three billion, one hundred twenty-one million, one hundred twenty thousand, two hundred seventy-two".