1002011201011 has 4 divisors (see below), whose sum is σ = 1002154332024. Its totient is φ = 1001868070000.

The previous prime is 1002011200987. The next prime is 1002011201111. The reversal of 1002011201011 is 1101021102001.

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 1002011201011 - 2⁹ = 1002011200499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002011201111) 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, 71555005 + ... + 71569006.

It is an arithmetic number, because the mean of its divisors is an integer number (250538583006).

Almost surely, 2^{1002011201011} is an apocalyptic number.

1002011201011 is a deficient number, since it is larger than the sum of its proper divisors (143131013).

1002011201011 is an equidigital number, since it uses as much as digits as its factorization.

1002011201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143131012.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1002011201011 its reverse (1101021102001), we get a palindrome (2103032303012).

The spelling of 1002011201011 in words is "one trillion, two billion, eleven million, two hundred one thousand, eleven".