101120121197 has 2 divisors, whose sum is σ = 101120121198. Its totient is φ = 101120121196.

The previous prime is 101120121187. The next prime is 101120121211. The reversal of 101120121197 is 791121021101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100771962916 + 348158281 = 317446^2 + 18659^2 .

It is a cyclic number.

It is not a de Polignac number, because 101120121197 - 2¹⁰ = 101120120173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101120121187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50560060598 + 50560060599.

It is an arithmetic number, because the mean of its divisors is an integer number (50560060599).

Almost surely, 2^101120121197 is an apocalyptic number.

It is an amenable number.

101120121197 is a deficient number, since it is larger than the sum of its proper divisors (1).

101120121197 is an equidigital number, since it uses as much as digits as its factorization.

101120121197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 26.

Adding to 101120121197 its reverse (791121021101), we get a palindrome (892241142298).

The spelling of 101120121197 in words is "one hundred one billion, one hundred twenty million, one hundred twenty-one thousand, one hundred ninety-seven".