10303220121101 has 2 divisors, whose sum is σ = 10303220121102. Its totient is φ = 10303220121100.

The previous prime is 10303220121097. The next prime is 10303220121113. The reversal of 10303220121101 is 10112102230301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8721596965225 + 1581623155876 = 2953235^2 + 1257626^2 .

It is a cyclic number.

It is not a de Polignac number, because 10303220121101 - 2² = 10303220121097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10303220121101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10303220121191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5151610060550 + 5151610060551.

It is an arithmetic number, because the mean of its divisors is an integer number (5151610060551).

Almost surely, 2^{10303220121101} is an apocalyptic number.

It is an amenable number.

10303220121101 is a deficient number, since it is larger than the sum of its proper divisors (1).

10303220121101 is an equidigital number, since it uses as much as digits as its factorization.

10303220121101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10303220121101 its reverse (10112102230301), we get a palindrome (20415322351402).

The spelling of 10303220121101 in words is "ten trillion, three hundred three billion, two hundred twenty million, one hundred twenty-one thousand, one hundred one".