10122111011197 has 2 divisors, whose sum is σ = 10122111011198. Its totient is φ = 10122111011196.

The previous prime is 10122111011189. The next prime is 10122111011239. The reversal of 10122111011197 is 79111011122101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9557427897081 + 564683114116 = 3091509^2 + 751454^2 .

It is a cyclic number.

It is not a de Polignac number, because 10122111011197 - 2³ = 10122111011189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10122111018197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061055505598 + 5061055505599.

It is an arithmetic number, because the mean of its divisors is an integer number (5061055505599).

Almost surely, 2^{10122111011197} is an apocalyptic number.

It is an amenable number.

10122111011197 is a deficient number, since it is larger than the sum of its proper divisors (1).

10122111011197 is an equidigital number, since it uses as much as digits as its factorization.

10122111011197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 28.

Adding to 10122111011197 its reverse (79111011122101), we get a palindrome (89233122133298).

The spelling of 10122111011197 in words is "ten trillion, one hundred twenty-two billion, one hundred eleven million, eleven thousand, one hundred ninety-seven".