222121020343 has 2 divisors, whose sum is σ = 222121020344. Its totient is φ = 222121020342.

The previous prime is 222121020311. The next prime is 222121020349. The reversal of 222121020343 is 343020121222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222121020343 - 2⁵ = 222121020311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222121020349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060510171 + 111060510172.

It is an arithmetic number, because the mean of its divisors is an integer number (111060510172).

Almost surely, 2^222121020343 is an apocalyptic number.

222121020343 is a deficient number, since it is larger than the sum of its proper divisors (1).

222121020343 is an equidigital number, since it uses as much as digits as its factorization.

222121020343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 222121020343 its reverse (343020121222), we get a palindrome (565141141565).

The spelling of 222121020343 in words is "two hundred twenty-two billion, one hundred twenty-one million, twenty thousand, three hundred forty-three".