2110012211221 has 8 divisors (see below), whose sum is σ = 2122254516960. Its totient is φ = 2097770431152.

The previous prime is 2110012211141. The next prime is 2110012211261. The reversal of 2110012211221 is 1221122100112.

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 2110012211221 - 2¹⁷ = 2110012080149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2110012211195 and 2110012211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110012211261) 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, 10323606 + ... + 10526008.

It is an arithmetic number, because the mean of its divisors is an integer number (265281814620).

Almost surely, 2^{2110012211221} is an apocalyptic number.

It is an amenable number.

2110012211221 is a deficient number, since it is larger than the sum of its proper divisors (12242305739).

2110012211221 is a wasteful number, since it uses less digits than its factorization.

2110012211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262835.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2110012211221 its reverse (1221122100112), we get a palindrome (3331134311333).

The spelling of 2110012211221 in words is "two trillion, one hundred ten billion, twelve million, two hundred eleven thousand, two hundred twenty-one".