2000110021 has 16 divisors (see below), whose sum is σ = 2475446400. Its totient is φ = 1573651008.

The previous prime is 2000110009. The next prime is 2000110033. The reversal of 2000110021 is 1200110002.

It is an interprime number because it is at equal distance from previous prime (2000110009) and next prime (2000110033).

It is a cyclic number.

It is not a de Polignac number, because 2000110021 - 2¹¹ = 2000107973 is a prime.

It is a super-2 number, since 2×2000110021² = 8000880192209240882, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 2000109986 and 2000110013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000111021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45106 + ... + 77683.

It is an arithmetic number, because the mean of its divisors is an integer number (154715400).

Almost surely, 2^2000110021 is an apocalyptic number.

It is an amenable number.

2000110021 is a deficient number, since it is larger than the sum of its proper divisors (475336379).

2000110021 is a wasteful number, since it uses less digits than its factorization.

2000110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122988.

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

The square root of 2000110021 is about 44722.5896052543. The cubic root of 2000110021 is about 1259.9441524336.

Adding to 2000110021 its reverse (1200110002), we get a palindrome (3200220023).

The spelling of 2000110021 in words is "two billion, one hundred ten thousand, twenty-one".