1320103122100 has 72 divisors (see below), whose sum is σ = 3274096638848. Its totient is φ = 452573481600.

The previous prime is 1320103122097. The next prime is 1320103122103. The reversal of 1320103122100 is 12213010231.

It is an interprime number because it is at equal distance from previous prime (1320103122097) and next prime (1320103122103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320103122103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10627954 + ... + 10751446.

Almost surely, 2^{1320103122100} is an apocalyptic number.

1320103122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320103122100 is an abundant number, since it is smaller than the sum of its proper divisors (1953993516748).

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

1320103122100 is a wasteful number, since it uses less digits than its factorization.

1320103122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138785 (or 138778 counting only the distinct ones).

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

Adding to 1320103122100 its reverse (12213010231), we get a palindrome (1332316132331).

The spelling of 1320103122100 in words is "one trillion, three hundred twenty billion, one hundred three million, one hundred twenty-two thousand, one hundred".