11110020102121 has 2 divisors, whose sum is σ = 11110020102122. Its totient is φ = 11110020102120.

The previous prime is 11110020102107. The next prime is 11110020102151. The reversal of 11110020102121 is 12120102001111.

It is a happy number.

11110020102121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8692850276496 + 2417169825625 = 2948364^2 + 1554725^2 .

It is a cyclic number.

It is not a de Polignac number, because 11110020102121 - 2⁴³ = 2313927079913 is a prime.

It is not a weakly prime, because it can be changed into another prime (11110020102151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555010051060 + 5555010051061.

It is an arithmetic number, because the mean of its divisors is an integer number (5555010051061).

Almost surely, 2^{11110020102121} is an apocalyptic number.

It is an amenable number.

11110020102121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110020102121 is an equidigital number, since it uses as much as digits as its factorization.

11110020102121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11110020102121 its reverse (12120102001111), we get a palindrome (23230122103232).

The spelling of 11110020102121 in words is "eleven trillion, one hundred ten billion, twenty million, one hundred two thousand, one hundred twenty-one".