2221222100110 has 32 divisors (see below), whose sum is σ = 4444648895232. Its totient is φ = 793687299840.

The previous prime is 2221222100057. The next prime is 2221222100117. The reversal of 2221222100110 is 110012221222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221222100117) 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, 275581839 + ... + 275589898.

It is an arithmetic number, because the mean of its divisors is an integer number (138895277976).

Almost surely, 2^{2221222100110} is an apocalyptic number.

2221222100110 is an abundant number, since it is smaller than the sum of its proper divisors (2223426795122).

2221222100110 is a wasteful number, since it uses less digits than its factorization.

2221222100110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551171788.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2221222100110 its reverse (110012221222), we get a palindrome (2331234321332).

It can be divided in two parts, 222122 and 2100110, that added together give a palindrome (2322232).

The spelling of 2221222100110 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred thousand, one hundred ten".