2110212110221 has 16 divisors (see below), whose sum is σ = 2153644416000. Its totient is φ = 2067203876400.

The previous prime is 2110212110197. The next prime is 2110212110243. The reversal of 2110212110221 is 1220112120112.

It is a cyclic number.

It is not a de Polignac number, because 2110212110221 - 2²⁵ = 2110178555789 is a prime.

It is a super-3 number, since 3×2110212110221³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2110212110195 and 2110212110204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110212110291) 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, 65172166 + ... + 65204536.

It is an arithmetic number, because the mean of its divisors is an integer number (134602776000).

Almost surely, 2^{2110212110221} is an apocalyptic number.

It is an amenable number.

2110212110221 is a deficient number, since it is larger than the sum of its proper divisors (43432305779).

2110212110221 is a wasteful number, since it uses less digits than its factorization.

2110212110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38880.

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

Adding to 2110212110221 its reverse (1220112120112), we get a palindrome (3330324230333).

The spelling of 2110212110221 in words is "two trillion, one hundred ten billion, two hundred twelve million, one hundred ten thousand, two hundred twenty-one".