1220120002103 has 2 divisors, whose sum is σ = 1220120002104. Its totient is φ = 1220120002102.

The previous prime is 1220120002069. The next prime is 1220120002117. The reversal of 1220120002103 is 3012000210221.

It is a happy number.

It is an a-pointer prime, because the next prime (1220120002117) can be obtained adding 1220120002103 to its sum of digits (14).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220120002103 - 2⁶ = 1220120002039 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220120002133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610060001051 + 610060001052.

It is an arithmetic number, because the mean of its divisors is an integer number (610060001052).

Almost surely, 2^{1220120002103} is an apocalyptic number.

1220120002103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220120002103 is an equidigital number, since it uses as much as digits as its factorization.

1220120002103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1220120002103 its reverse (3012000210221), we get a palindrome (4232120212324).

The spelling of 1220120002103 in words is "one trillion, two hundred twenty billion, one hundred twenty million, two thousand, one hundred three".