1001222102011 has 4 divisors (see below), whose sum is σ = 1001226755800. Its totient is φ = 1001217448224.

The previous prime is 1001222101987. The next prime is 1001222102017. The reversal of 1001222102011 is 1102012221001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1001222102011 - 2²¹ = 1001220004859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001222101982 and 1001222102000.

It is not an unprimeable number, because it can be changed into a prime (1001222102017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1987701 + ... + 2439958.

It is an arithmetic number, because the mean of its divisors is an integer number (250306688950).

Almost surely, 2^{1001222102011} is an apocalyptic number.

1001222102011 is a deficient number, since it is larger than the sum of its proper divisors (4653789).

1001222102011 is an equidigital number, since it uses as much as digits as its factorization.

1001222102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4653788.

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

Adding to 1001222102011 its reverse (1102012221001), we get a palindrome (2103234323012).

The spelling of 1001222102011 in words is "one trillion, one billion, two hundred twenty-two million, one hundred two thousand, eleven".