103121111200 has 36 divisors (see below), whose sum is σ = 251744414670. Its totient is φ = 41248444160.

The previous prime is 103121111129. The next prime is 103121111227. The reversal of 103121111200 is 2111121301.

It is a happy number.

103121111200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 51186347536 + 51934763664 = 226244^2 + 227892^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64449895 + ... + 64451494.

Almost surely, 2^103121111200 is an apocalyptic number.

103121111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103121111200 is an abundant number, since it is smaller than the sum of its proper divisors (148623303470).

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

103121111200 is a wasteful number, since it uses less digits than its factorization.

103121111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128901409 (or 128901396 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 103121111200 its reverse (2111121301), we get a palindrome (105232232501).

The spelling of 103121111200 in words is "one hundred three billion, one hundred twenty-one million, one hundred eleven thousand, two hundred".