1011222202321 has 2 divisors, whose sum is σ = 1011222202322. Its totient is φ = 1011222202320.

The previous prime is 1011222202283. The next prime is 1011222202381. The reversal of 1011222202321 is 1232022221101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 759128838400 + 252093363921 = 871280^2 + 502089^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011222202321 - 2³³ = 1002632267729 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011222202381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505611101160 + 505611101161.

It is an arithmetic number, because the mean of its divisors is an integer number (505611101161).

Almost surely, 2^{1011222202321} is an apocalyptic number.

It is an amenable number.

1011222202321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011222202321 is an equidigital number, since it uses as much as digits as its factorization.

1011222202321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1011222202321 its reverse (1232022221101), we get a palindrome (2243244423422).

The spelling of 1011222202321 in words is "one trillion, eleven billion, two hundred twenty-two million, two hundred two thousand, three hundred twenty-one".