122221100012110 has 32 divisors (see below), whose sum is σ = 242374012215264. Its totient is φ = 44003996400000.

The previous prime is 122221100012101. The next prime is 122221100012173. The reversal of 122221100012110 is 11210001122221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5500488441 + ... + 5500510660.

It is an arithmetic number, because the mean of its divisors is an integer number (7574187881727).

Almost surely, 2^{122221100012110} is an apocalyptic number.

122221100012110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122221100012110 is a deficient number, since it is larger than the sum of its proper divisors (120152912203154).

122221100012110 is a wasteful number, since it uses less digits than its factorization.

122221100012110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000999220.

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

Adding to 122221100012110 its reverse (11210001122221), we get a palindrome (133431101134331).

The spelling of 122221100012110 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one hundred million, twelve thousand, one hundred ten".