122221000001112 has 32 divisors (see below), whose sum is σ = 305553474988080. Its totient is φ = 40740203335680.

The previous prime is 122221000001047. The next prime is 122221000001119. The reversal of 122221000001112 is 211100000122221.

It is a junction number, because it is equal to n+sod(n) for n = 122221000001091 and 122221000001100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221000001119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292693 + ... + 15637380.

Almost surely, 2^{122221000001112} is an apocalyptic number.

122221000001112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122221000001112 is an abundant number, since it is smaller than the sum of its proper divisors (183332474986968).

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

122221000001112 is a wasteful number, since it uses less digits than its factorization.

122221000001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16249763 (or 16249759 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122221000001112 its reverse (211100000122221), we get a palindrome (333321000123333).

The spelling of 122221000001112 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one thousand, one hundred twelve".