2221111211110 has 32 divisors (see below), whose sum is σ = 4404637484064. Its totient is φ = 799680000000.

The previous prime is 2221111211107. The next prime is 2221111211117. The reversal of 2221111211110 is 111121111222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221111211117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99948891 + ... + 99971110.

It is an arithmetic number, because the mean of its divisors is an integer number (137644921377).

Almost surely, 2^{2221111211110} is an apocalyptic number.

2221111211110 is a deficient number, since it is larger than the sum of its proper divisors (2183526272954).

2221111211110 is a wasteful number, since it uses less digits than its factorization.

2221111211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199920120.

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

Adding to 2221111211110 its reverse (111121111222), we get a palindrome (2332232322332).

It can be divided in two parts, 22211112 and 11110, that added together give a palindrome (22222222).

The spelling of 2221111211110 in words is "two trillion, two hundred twenty-one billion, one hundred eleven million, two hundred eleven thousand, one hundred ten".