100000121199611 has 2 divisors, whose sum is σ = 100000121199612. Its totient is φ = 100000121199610.

The previous prime is 100000121199593. The next prime is 100000121199631. The reversal of 100000121199611 is 116991121000001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100000121199611 is a prime.

It is not a weakly prime, because it can be changed into another prime (100000121199631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000060599805 + 50000060599806.

It is an arithmetic number, because the mean of its divisors is an integer number (50000060599806).

Almost surely, 2^{100000121199611} is an apocalyptic number.

100000121199611 is a deficient number, since it is larger than the sum of its proper divisors (1).

100000121199611 is an equidigital number, since it uses as much as digits as its factorization.

100000121199611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 32.

Adding to 100000121199611 its reverse (116991121000001), we get a palindrome (216991242199612).

The spelling of 100000121199611 in words is "one hundred trillion, one hundred twenty-one million, one hundred ninety-nine thousand, six hundred eleven".