1022021210201 has 2 divisors, whose sum is σ = 1022021210202. Its totient is φ = 1022021210200.

The previous prime is 1022021210173. The next prime is 1022021210263. The reversal of 1022021210201 is 1020121202201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 812298428176 + 209722782025 = 901276^2 + 457955^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022021210201 - 2¹⁰ = 1022021209177 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022021210281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511010605100 + 511010605101.

It is an arithmetic number, because the mean of its divisors is an integer number (511010605101).

Almost surely, 2^{1022021210201} is an apocalyptic number.

It is an amenable number.

1022021210201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022021210201 is an equidigital number, since it uses as much as digits as its factorization.

1022021210201 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 1022021210201 its reverse (1020121202201), we get a palindrome (2042142412402).

The spelling of 1022021210201 in words is "one trillion, twenty-two billion, twenty-one million, two hundred ten thousand, two hundred one".