2112311220110 has 32 divisors (see below), whose sum is σ = 4679581781952. Its totient is φ = 668511682560.

The previous prime is 2112311220083. The next prime is 2112311220119. The reversal of 2112311220110 is 110221132112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112311220119) 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, 1160609651 + ... + 1160611470.

It is an arithmetic number, because the mean of its divisors is an integer number (146236930686).

Almost surely, 2^{2112311220110} is an apocalyptic number.

2112311220110 is an abundant number, since it is smaller than the sum of its proper divisors (2567270561842).

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

2112311220110 is a wasteful number, since it uses less digits than its factorization.

2112311220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321221148.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2112311220110 its reverse (110221132112), we get a palindrome (2222532352222).

It can be divided in two parts, 211231 and 1220110, that added together give a palindrome (1431341).

The spelling of 2112311220110 in words is "two trillion, one hundred twelve billion, three hundred eleven million, two hundred twenty thousand, one hundred ten".