2000021011011 has 24 divisors (see below), whose sum is σ = 3001041576000. Its totient is φ = 1281983321472.

The previous prime is 2000021010997. The next prime is 2000021011019. The reversal of 2000021011011 is 1101101200002.

It is a happy number.

It is not a de Polignac number, because 2000021011011 - 2⁹ = 2000021010499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2000021010984 and 2000021011002.

It is not an unprimeable number, because it can be changed into a prime (2000021011019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15968826 + ... + 16093583.

It is an arithmetic number, because the mean of its divisors is an integer number (125043399000).

Almost surely, 2^{2000021011011} is an apocalyptic number.

2000021011011 is a deficient number, since it is larger than the sum of its proper divisors (1001020564989).

2000021011011 is a wasteful number, since it uses less digits than its factorization.

2000021011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32062683 (or 32062680 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 2000021011011 its reverse (1101101200002), we get a palindrome (3101122211013).

The spelling of 2000021011011 in words is "two trillion, twenty-one million, eleven thousand, eleven".