2000111122021 has 8 divisors (see below), whose sum is σ = 2117802677400. Its totient is φ = 1882423784448.

The previous prime is 2000111122019. The next prime is 2000111122081. The reversal of 2000111122021 is 1202211110002.

It can be written as a sum of positive squares in 4 ways, for example, as 167187760996 + 1832923361025 = 408886^2 + 1353855^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2000111122021 - 2¹ = 2000111122019 is a prime.

It is a super-2 number, since 2×2000111122021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000111121992 and 2000111122010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000111122001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50836 + ... + 2000701.

It is an arithmetic number, because the mean of its divisors is an integer number (264725334675).

Almost surely, 2^{2000111122021} is an apocalyptic number.

It is an amenable number.

2000111122021 is a deficient number, since it is larger than the sum of its proper divisors (117691555379).

2000111122021 is a wasteful number, since it uses less digits than its factorization.

2000111122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108903.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2000111122021 its reverse (1202211110002), we get a palindrome (3202322232023).

The spelling of 2000111122021 in words is "two trillion, one hundred eleven million, one hundred twenty-two thousand, twenty-one".