2001200222011 has 2 divisors, whose sum is σ = 2001200222012. Its totient is φ = 2001200222010.

The previous prime is 2001200222009. The next prime is 2001200222041. The reversal of 2001200222011 is 1102220021002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2001200222011 - 2¹ = 2001200222009 is a prime.

Together with 2001200222009, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2001200221982 and 2001200222000.

It is not a weakly prime, because it can be changed into another prime (2001200222041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000600111005 + 1000600111006.

It is an arithmetic number, because the mean of its divisors is an integer number (1000600111006).

Almost surely, 2^{2001200222011} is an apocalyptic number.

2001200222011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001200222011 is an equidigital number, since it uses as much as digits as its factorization.

2001200222011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2001200222011 its reverse (1102220021002), we get a palindrome (3103420243013).

The spelling of 2001200222011 in words is "two trillion, one billion, two hundred million, two hundred twenty-two thousand, eleven".