121012211101193 has 2 divisors, whose sum is σ = 121012211101194. Its totient is φ = 121012211101192.

The previous prime is 121012211101189. The next prime is 121012211101241. The reversal of 121012211101193 is 391101112210121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62763978106384 + 58248232994809 = 7922372^2 + 7632053^2 .

It is a cyclic number.

It is not a de Polignac number, because 121012211101193 - 2² = 121012211101189 is a prime.

It is not a weakly prime, because it can be changed into another prime (121012211101183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60506105550596 + 60506105550597.

It is an arithmetic number, because the mean of its divisors is an integer number (60506105550597).

Almost surely, 2^{121012211101193} is an apocalyptic number.

It is an amenable number.

121012211101193 is a deficient number, since it is larger than the sum of its proper divisors (1).

121012211101193 is an equidigital number, since it uses as much as digits as its factorization.

121012211101193 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 26.

The spelling of 121012211101193 in words is "one hundred twenty-one trillion, twelve billion, two hundred eleven million, one hundred one thousand, one hundred ninety-three".