2000011222121 has 32 divisors (see below), whose sum is σ = 2238792124800. Its totient is φ = 1771347916800.

The previous prime is 2000011222103. The next prime is 2000011222163. The reversal of 2000011222121 is 1212221100002.

It is not a de Polignac number, because 2000011222121 - 2¹⁴ = 2000011205737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2000011222096 and 2000011222105.

It is not an unprimeable number, because it can be changed into a prime (2000011221121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110727431 + ... + 110745491.

It is an arithmetic number, because the mean of its divisors is an integer number (69962253900).

Almost surely, 2^{2000011222121} is an apocalyptic number.

It is an amenable number.

2000011222121 is a deficient number, since it is larger than the sum of its proper divisors (238780902679).

2000011222121 is a wasteful number, since it uses less digits than its factorization.

2000011222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19785.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2000011222121 its reverse (1212221100002), we get a palindrome (3212232322123).

The spelling of 2000011222121 in words is "two trillion, eleven million, two hundred twenty-two thousand, one hundred twenty-one".