1200022301221 has 2 divisors, whose sum is σ = 1200022301222. Its totient is φ = 1200022301220.

The previous prime is 1200022301207. The next prime is 1200022301239. The reversal of 1200022301221 is 1221032200021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1188209002500 + 11813298721 = 1090050^2 + 108689^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200022301221 - 2³⁵ = 1165662562853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200022301195 and 1200022301204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200022301251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600011150610 + 600011150611.

It is an arithmetic number, because the mean of its divisors is an integer number (600011150611).

Almost surely, 2^{1200022301221} is an apocalyptic number.

It is an amenable number.

1200022301221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200022301221 is an equidigital number, since it uses as much as digits as its factorization.

1200022301221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1200022301221 its reverse (1221032200021), we get a palindrome (2421054501242).

The spelling of 1200022301221 in words is "one trillion, two hundred billion, twenty-two million, three hundred one thousand, two hundred twenty-one".