2121111120110 has 32 divisors (see below), whose sum is σ = 3826545121152. Its totient is φ = 846547333120.

The previous prime is 2121111120041. The next prime is 2121111120119. The reversal of 2121111120110 is 110211111212.

It is a super-2 number, since 2×2121111120110² (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 (2121111120119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9420404 + ... + 9642936.

It is an arithmetic number, because the mean of its divisors is an integer number (119579535036).

Almost surely, 2^{2121111120110} is an apocalyptic number.

2121111120110 is a deficient number, since it is larger than the sum of its proper divisors (1705434001042).

2121111120110 is a wasteful number, since it uses less digits than its factorization.

2121111120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224668.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2121111120110 its reverse (110211111212), we get a palindrome (2231322231322).

The spelling of 2121111120110 in words is "two trillion, one hundred twenty-one billion, one hundred eleven million, one hundred twenty thousand, one hundred ten".