10111020097 has 2 divisors, whose sum is σ = 10111020098. Its totient is φ = 10111020096.

The previous prime is 10111020091. The next prime is 10111020121. The reversal of 10111020097 is 79002011101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6851866176 + 3259153921 = 82776^2 + 57089^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111020097 - 2¹⁹ = 10110495809 is a prime.

It is not a weakly prime, because it can be changed into another prime (10111020091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055510048 + 5055510049.

It is an arithmetic number, because the mean of its divisors is an integer number (5055510049).

Almost surely, 2^10111020097 is an apocalyptic number.

It is an amenable number.

10111020097 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111020097 is an equidigital number, since it uses as much as digits as its factorization.

10111020097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 22.

Adding to 10111020097 its reverse (79002011101), we get a palindrome (89113031198).

The spelling of 10111020097 in words is "ten billion, one hundred eleven million, twenty thousand, ninety-seven".