2111600206221 has 16 divisors (see below), whose sum is σ = 3233072087040. Its totient is φ = 1212402031920.

The previous prime is 2111600206211. The next prime is 2111600206249. The reversal of 2111600206221 is 1226020061112.

It is not a de Polignac number, because 2111600206221 - 2⁵ = 2111600206189 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2111600206191 and 2111600206200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111600206201) 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, 1683891085 + ... + 1683892338.

It is an arithmetic number, because the mean of its divisors is an integer number (202067005440).

Almost surely, 2^{2111600206221} is an apocalyptic number.

It is an amenable number.

2111600206221 is a deficient number, since it is larger than the sum of its proper divisors (1121471880819).

2111600206221 is a wasteful number, since it uses less digits than its factorization.

2111600206221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367783456.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 2111600206221 its reverse (1226020061112), we get a palindrome (3337620267333).

The spelling of 2111600206221 in words is "two trillion, one hundred eleven billion, six hundred million, two hundred six thousand, two hundred twenty-one".