121222200020193 has 8 divisors (see below), whose sum is σ = 179588444474400. Its totient is φ = 80814800013444.

The previous prime is 121222200020101. The next prime is 121222200020197. The reversal of 121222200020193 is 391020002222121.

It is not a de Polignac number, because 121222200020193 - 2⁹ = 121222200019681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4489711111859 = 121222200020193 / (1 + 2 + 1 + 2 + 2 + 2 + 2 + 0 + 0 + 0 + 2 + 0 + 1 + 9 + 3).

It is not an unprimeable number, because it can be changed into a prime (121222200020197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2244855555903 + ... + 2244855555956.

It is an arithmetic number, because the mean of its divisors is an integer number (22448555559300).

Almost surely, 2^{121222200020193} is an apocalyptic number.

It is an amenable number.

121222200020193 is a deficient number, since it is larger than the sum of its proper divisors (58366244454207).

121222200020193 is an equidigital number, since it uses as much as digits as its factorization.

121222200020193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4489711111868 (or 4489711111862 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 121222200020193 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, two hundred million, twenty thousand, one hundred ninety-three".