2000122011 has 16 divisors (see below), whose sum is σ = 2976440320. Its totient is φ = 1327431240.

The previous prime is 2000121979. The next prime is 2000122037. The reversal of 2000122011 is 1102210002.

It is not a de Polignac number, because 2000122011 - 2⁵ = 2000121979 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000121984 and 2000122002.

It is not an unprimeable number, because it can be changed into a prime (2000120011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160075 + ... + 172116.

It is an arithmetic number, because the mean of its divisors is an integer number (186027520).

Almost surely, 2^2000122011 is an apocalyptic number.

2000122011 is a deficient number, since it is larger than the sum of its proper divisors (976318309).

2000122011 is a wasteful number, since it uses less digits than its factorization.

2000122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332423 (or 332417 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2000122011 is about 44722.7236536417. The cubic root of 2000122011 is about 1259.9466700784.

Adding to 2000122011 its reverse (1102210002), we get a palindrome (3102332013).

The spelling of 2000122011 in words is "two billion, one hundred twenty-two thousand, eleven".