1002122020011 has 16 divisors (see below), whose sum is σ = 1527861050624. Its totient is φ = 572334414624.

The previous prime is 1002122019959. The next prime is 1002122020013. The reversal of 1002122020011 is 1100202212001.

It is not a de Polignac number, because 1002122020011 - 2¹⁸ = 1002121757867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002122020013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12740680 + ... + 12819093.

It is an arithmetic number, because the mean of its divisors is an integer number (95491315664).

Almost surely, 2^{1002122020011} is an apocalyptic number.

1002122020011 is a deficient number, since it is larger than the sum of its proper divisors (525739030613).

1002122020011 is a wasteful number, since it uses less digits than its factorization.

1002122020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25561650.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1002122020011 its reverse (1100202212001), we get a palindrome (2102324232012).

The spelling of 1002122020011 in words is "one trillion, two billion, one hundred twenty-two million, twenty thousand, eleven".