1001022201211 has 2 divisors, whose sum is σ = 1001022201212. Its totient is φ = 1001022201210.

The previous prime is 1001022201197. The next prime is 1001022201301. The reversal of 1001022201211 is 1121022201001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001022201211 - 2⁹ = 1001022200699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001022201191 and 1001022201200.

It is not a weakly prime, because it can be changed into another prime (1001022901211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500511100605 + 500511100606.

It is an arithmetic number, because the mean of its divisors is an integer number (500511100606).

Almost surely, 2^{1001022201211} is an apocalyptic number.

1001022201211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001022201211 is an equidigital number, since it uses as much as digits as its factorization.

1001022201211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1001022201211 its reverse (1121022201001), we get a palindrome (2122044402212).

The spelling of 1001022201211 in words is "one trillion, one billion, twenty-two million, two hundred one thousand, two hundred eleven".