2110021110221 has 16 divisors (see below), whose sum is σ = 2159121605760. Its totient is φ = 2061532939200.

The previous prime is 2110021110203. The next prime is 2110021110257. The reversal of 2110021110221 is 1220111200112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2110021110221 is a prime.

It is a super-2 number, since 2×2110021110221² (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 = 2110021110196 and 2110021110205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110021110271) 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, 7003160 + ... + 7298238.

It is an arithmetic number, because the mean of its divisors is an integer number (134945100360).

Almost surely, 2^{2110021110221} is an apocalyptic number.

It is an amenable number.

2110021110221 is a deficient number, since it is larger than the sum of its proper divisors (49100495539).

2110021110221 is a wasteful number, since it uses less digits than its factorization.

2110021110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296116.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2110021110221 its reverse (1220111200112), we get a palindrome (3330132310333).

The spelling of 2110021110221 in words is "two trillion, one hundred ten billion, twenty-one million, one hundred ten thousand, two hundred twenty-one".