1022221001201 has 2 divisors, whose sum is σ = 1022221001202. Its totient is φ = 1022221001200.

The previous prime is 1022221001183. The next prime is 1022221001281. The reversal of 1022221001201 is 1021001222201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 899748999601 + 122472001600 = 948551^2 + 349960^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022221001201 - 2¹⁴ = 1022220984817 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022221001281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511110500600 + 511110500601.

It is an arithmetic number, because the mean of its divisors is an integer number (511110500601).

Almost surely, 2^{1022221001201} is an apocalyptic number.

It is an amenable number.

1022221001201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022221001201 is an equidigital number, since it uses as much as digits as its factorization.

1022221001201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1022221001201 its reverse (1021001222201), we get a palindrome (2043222223402).

The spelling of 1022221001201 in words is "one trillion, twenty-two billion, two hundred twenty-one million, one thousand, two hundred one".