122220011112 has 32 divisors (see below), whose sum is σ = 305589310080. Its totient is φ = 40734766080.

The previous prime is 122220011107. The next prime is 122220011153. The reversal of 122220011112 is 211110022221.

It is a super-2 number, since 2×122220011112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122220011091 and 122220011100.

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 7 ways as a sum of consecutive naturals, for example, 134464 + ... + 512367.

It is an arithmetic number, because the mean of its divisors is an integer number (9549665940).

Almost surely, 2^122220011112 is an apocalyptic number.

122220011112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122220011112 is an abundant number, since it is smaller than the sum of its proper divisors (183369298968).

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

122220011112 is a wasteful number, since it uses less digits than its factorization.

122220011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654713 (or 654709 counting only the distinct ones).

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

Adding to 122220011112 its reverse (211110022221), we get a palindrome (333330033333).

The spelling of 122220011112 in words is "one hundred twenty-two billion, two hundred twenty million, eleven thousand, one hundred twelve".