2121112022110 has 32 divisors (see below), whose sum is σ = 3870758540160. Its totient is φ = 836723789568.

The previous prime is 2121112022047. The next prime is 2121112022111. The reversal of 2121112022110 is 112202111212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121112022111) 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, 6198244 + ... + 6531496.

It is an arithmetic number, because the mean of its divisors is an integer number (120961204380).

Almost surely, 2^{2121112022110} is an apocalyptic number.

2121112022110 is a deficient number, since it is larger than the sum of its proper divisors (1749646518050).

2121112022110 is a wasteful number, since it uses less digits than its factorization.

2121112022110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342052.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2121112022110 its reverse (112202111212), we get a palindrome (2233314133322).

The spelling of 2121112022110 in words is "two trillion, one hundred twenty-one billion, one hundred twelve million, twenty-two thousand, one hundred ten".