1002211002011 has 4 divisors (see below), whose sum is σ = 1007458180224. Its totient is φ = 996963823800.

The previous prime is 1002211002007. The next prime is 1002211002031. The reversal of 1002211002011 is 1102001122001.

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 1002211002011 - 2² = 1002211002007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002211001983 and 1002211002001.

It is not an unprimeable number, because it can be changed into a prime (1002211002031) 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, 2623588820 + ... + 2623589201.

It is an arithmetic number, because the mean of its divisors is an integer number (251864545056).

Almost surely, 2^{1002211002011} is an apocalyptic number.

1002211002011 is a deficient number, since it is larger than the sum of its proper divisors (5247178213).

1002211002011 is an equidigital number, since it uses as much as digits as its factorization.

1002211002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5247178212.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1002211002011 its reverse (1102001122001), we get a palindrome (2104212124012).

The spelling of 1002211002011 in words is "one trillion, two billion, two hundred eleven million, two thousand, eleven".