122221121110 has 96 divisors (see below), whose sum is σ = 252095784192. Its totient is φ = 42583200000.

The previous prime is 122221121083. The next prime is 122221121131. The reversal of 122221121110 is 11121122221.

122221121110 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3772380 + ... + 3804640.

It is an arithmetic number, because the mean of its divisors is an integer number (2625997752).

Almost surely, 2^122221121110 is an apocalyptic number.

122221121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122221121110 is an abundant number, since it is smaller than the sum of its proper divisors (129874663082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122221121110 is a wasteful number, since it uses less digits than its factorization.

122221121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32422 (or 32411 counting only the distinct ones).

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

Adding to 122221121110 its reverse (11121122221), we get a palindrome (133342243331).

The spelling of 122221121110 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred ten".