122220121220110 has 32 divisors (see below), whose sum is σ = 222497732731680. Its totient is φ = 48332302774272.

The previous prime is 122220121220101. The next prime is 122220121220147. The reversal of 122220121220110 is 11022121022221.

It is a congruent number.

It is an unprimeable number.

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, 2465299 + ... + 15827758.

It is an arithmetic number, because the mean of its divisors is an integer number (6953054147865).

Almost surely, 2^{122220121220110} is an apocalyptic number.

122220121220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122220121220110 is a deficient number, since it is larger than the sum of its proper divisors (100277611511570).

122220121220110 is a wasteful number, since it uses less digits than its factorization.

122220121220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18300660.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122220121220110 its reverse (11022121022221), we get a palindrome (133242242242331).

The spelling of 122220121220110 in words is "one hundred twenty-two trillion, two hundred twenty billion, one hundred twenty-one million, two hundred twenty thousand, one hundred ten".