10111021121293 has 2 divisors, whose sum is σ = 10111021121294. Its totient is φ = 10111021121292.

The previous prime is 10111021121171. The next prime is 10111021121297. The reversal of 10111021121293 is 39212112011101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7438508933769 + 2672512187524 = 2727363^2 + 1634782^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111021121293 - 2³⁷ = 9973582167821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10111021121297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055510560646 + 5055510560647.

It is an arithmetic number, because the mean of its divisors is an integer number (5055510560647).

Almost surely, 2^{10111021121293} is an apocalyptic number.

It is an amenable number.

10111021121293 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111021121293 is an equidigital number, since it uses as much as digits as its factorization.

10111021121293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 25.

Adding to 10111021121293 its reverse (39212112011101), we get a palindrome (49323133132394).

The spelling of 10111021121293 in words is "ten trillion, one hundred eleven billion, twenty-one million, one hundred twenty-one thousand, two hundred ninety-three".