222021121120193 has 2 divisors, whose sum is σ = 222021121120194. Its totient is φ = 222021121120192.

The previous prime is 222021121120171. The next prime is 222021121120223. The reversal of 222021121120193 is 391021121120222.

222021121120193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111833755221904 + 110187365898289 = 10575148^2 + 10497017^2 .

It is a cyclic number.

It is not a de Polignac number, because 222021121120193 - 2⁸ = 222021121119937 is a prime.

It is not a weakly prime, because it can be changed into another prime (222021121120153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111010560560096 + 111010560560097.

It is an arithmetic number, because the mean of its divisors is an integer number (111010560560097).

Almost surely, 2^{222021121120193} is an apocalyptic number.

It is an amenable number.

222021121120193 is a deficient number, since it is larger than the sum of its proper divisors (1).

222021121120193 is an equidigital number, since it uses as much as digits as its factorization.

222021121120193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

Adding to 222021121120193 its sum of digits (29), we get a palindrome (222021121120222).

The spelling of 222021121120193 in words is "two hundred twenty-two trillion, twenty-one billion, one hundred twenty-one million, one hundred twenty thousand, one hundred ninety-three".