122221120012110 has 48 divisors (see below), whose sum is σ = 363171328037856. Its totient is φ = 27936256002624.

The previous prime is 122221120012097. The next prime is 122221120012139. The reversal of 122221120012110 is 11210021122221.

122221120012110 is a `hidden beast` number, since 1 + 222 + 211 + 20 + 0 + 1 + 211 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97000888269 + ... + 97000889528.

It is an arithmetic number, because the mean of its divisors is an integer number (7566069334122).

Almost surely, 2^{122221120012110} is an apocalyptic number.

122221120012110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122221120012110 is an abundant number, since it is smaller than the sum of its proper divisors (240950208025746).

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

122221120012110 is a wasteful number, since it uses less digits than its factorization.

122221120012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194001777817 (or 194001777814 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122221120012110 its reverse (11210021122221), we get a palindrome (133431141134331).

The spelling of 122221120012110 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one hundred twenty million, twelve thousand, one hundred ten".