2000011100021 has 16 divisors (see below), whose sum is σ = 2235032498688. Its totient is φ = 1773949993200.

The previous prime is 2000011099969. The next prime is 2000011100041. The reversal of 2000011100021 is 1200011100002.

It is not a de Polignac number, because 2000011100021 - 2¹⁰ = 2000011098997 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2000011099981 and 2000011100008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000011100041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1901945 + ... + 2759966.

It is an arithmetic number, because the mean of its divisors is an integer number (139689531168).

Almost surely, 2^{2000011100021} is an apocalyptic number.

It is an amenable number.

2000011100021 is a deficient number, since it is larger than the sum of its proper divisors (235021398667).

2000011100021 is a wasteful number, since it uses less digits than its factorization.

2000011100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4662872.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 2000011100021 its reverse (1200011100002), we get a palindrome (3200022200023).

The spelling of 2000011100021 in words is "two trillion, eleven million, one hundred thousand, twenty-one".