2221110221110 has 64 divisors (see below), whose sum is σ = 4511914057728. Its totient is φ = 779926320000.

The previous prime is 2221110221063. The next prime is 2221110221159. The reversal of 2221110221110 is 111220111222.

It is a super-2 number, since 2×2221110221110² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 865555 + ... + 2278465.

It is an arithmetic number, because the mean of its divisors is an integer number (70498657152).

Almost surely, 2^{2221110221110} is an apocalyptic number.

2221110221110 is an abundant number, since it is smaller than the sum of its proper divisors (2290803836618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221110221110 is a wasteful number, since it uses less digits than its factorization.

2221110221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413421.

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

Adding to 2221110221110 its reverse (111220111222), we get a palindrome (2332330332332).

The spelling of 2221110221110 in words is "two trillion, two hundred twenty-one billion, one hundred ten million, two hundred twenty-one thousand, one hundred ten".