2000021011 has 2 divisors, whose sum is σ = 2000021012. Its totient is φ = 2000021010.

The previous prime is 2000021003. The next prime is 2000021029. The reversal of 2000021011 is 1101200002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2000021011 - 2³ = 2000021003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2000020985 and 2000021003.

It is not a weakly prime, because it can be changed into another prime (2000021311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000010505 + 1000010506.

It is an arithmetic number, because the mean of its divisors is an integer number (1000010506).

Almost surely, 2^2000021011 is an apocalyptic number.

2000021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000021011 is an equidigital number, since it uses as much as digits as its factorization.

2000021011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 2000021011 is about 44721.5944595002. The cubic root of 2000021011 is about 1259.9254619130.

Adding to 2000021011 its reverse (1101200002), we get a palindrome (3101221013).

The spelling of 2000021011 in words is "two billion, twenty-one thousand, eleven".