10203121220107 has 2 divisors, whose sum is σ = 10203121220108. Its totient is φ = 10203121220106.

The previous prime is 10203121219979. The next prime is 10203121220129. The reversal of 10203121220107 is 70102212130201.

10203121220107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (10203121220129) can be obtained adding 10203121220107 to its sum of digits (22).

It is a strong prime.

It is an emirp because it is prime and its reverse (70102212130201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10203121220107 - 2⁷ = 10203121219979 is a prime.

It is not a weakly prime, because it can be changed into another prime (10203121223107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101560610053 + 5101560610054.

It is an arithmetic number, because the mean of its divisors is an integer number (5101560610054).

Almost surely, 2^{10203121220107} is an apocalyptic number.

10203121220107 is a deficient number, since it is larger than the sum of its proper divisors (1).

10203121220107 is an equidigital number, since it uses as much as digits as its factorization.

10203121220107 is an evil number, because the sum of its binary digits is even.

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

Adding to 10203121220107 its reverse (70102212130201), we get a palindrome (80305333350308).

The spelling of 10203121220107 in words is "ten trillion, two hundred three billion, one hundred twenty-one million, two hundred twenty thousand, one hundred seven".