2111302133221 has 32 divisors (see below), whose sum is σ = 2211006067200. Its totient is φ = 2014279680000.

The previous prime is 2111302133219. The next prime is 2111302133249. The reversal of 2111302133221 is 1223312031112.

It is a cyclic number.

It is not a de Polignac number, because 2111302133221 - 2¹ = 2111302133219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111302133192 and 2111302133201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111302103221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 925602601 + ... + 925604881.

It is an arithmetic number, because the mean of its divisors is an integer number (69093939600).

Almost surely, 2^{2111302133221} is an apocalyptic number.

It is an amenable number.

2111302133221 is a deficient number, since it is larger than the sum of its proper divisors (99703933979).

2111302133221 is a wasteful number, since it uses less digits than its factorization.

2111302133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2111302133221 its reverse (1223312031112), we get a palindrome (3334614164333).

The spelling of 2111302133221 in words is "two trillion, one hundred eleven billion, three hundred two million, one hundred thirty-three thousand, two hundred twenty-one".