1002201221011 has 2 divisors, whose sum is σ = 1002201221012. Its totient is φ = 1002201221010.

The previous prime is 1002201221009. The next prime is 1002201221027. The reversal of 1002201221011 is 1101221022001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1002201221011 - 2¹ = 1002201221009 is a prime.

Together with 1002201221009, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1002201220982 and 1002201221000.

It is not a weakly prime, because it can be changed into another prime (1002201221711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501100610505 + 501100610506.

It is an arithmetic number, because the mean of its divisors is an integer number (501100610506).

Almost surely, 2^{1002201221011} is an apocalyptic number.

1002201221011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002201221011 is an equidigital number, since it uses as much as digits as its factorization.

1002201221011 is an evil number, because the sum of its binary digits is even.

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

Adding to 1002201221011 its reverse (1101221022001), we get a palindrome (2103422243012).

It can be divided in two parts, 100220 and 1221011, that added together give a palindrome (1321231).

The spelling of 1002201221011 in words is "one trillion, two billion, two hundred one million, two hundred twenty-one thousand, eleven".