2112111221110 has 32 divisors (see below), whose sum is σ = 4149906711552. Its totient is φ = 767579645280.

The previous prime is 2112111221081. The next prime is 2112111221119. The reversal of 2112111221110 is 111221112112.

It is a super-2 number, since 2×2112111221110² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112111221119) 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, 5575782 + ... + 5942521.

It is an arithmetic number, because the mean of its divisors is an integer number (129684584736).

Almost surely, 2^{2112111221110} is an apocalyptic number.

2112111221110 is a deficient number, since it is larger than the sum of its proper divisors (2037795490442).

2112111221110 is a wasteful number, since it uses less digits than its factorization.

2112111221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11519988.

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

Adding to 2112111221110 its reverse (111221112112), we get a palindrome (2223332333222).

The spelling of 2112111221110 in words is "two trillion, one hundred twelve billion, one hundred eleven million, two hundred twenty-one thousand, one hundred ten".