111020122212 has 12 divisors (see below), whose sum is σ = 259046951856. Its totient is φ = 37006707400.

The previous prime is 111020122207. The next prime is 111020122223. The reversal of 111020122212 is 212221020111.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 111020122191 and 111020122200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4625838414 + ... + 4625838437.

It is an arithmetic number, because the mean of its divisors is an integer number (21587245988).

Almost surely, 2^111020122212 is an apocalyptic number.

111020122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111020122212 is an abundant number, since it is smaller than the sum of its proper divisors (148026829644).

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

111020122212 is a wasteful number, since it uses less digits than its factorization.

111020122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9251676858 (or 9251676856 counting only the distinct ones).

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

Adding to 111020122212 its reverse (212221020111), we get a palindrome (323241142323).

The spelling of 111020122212 in words is "one hundred eleven billion, twenty million, one hundred twenty-two thousand, two hundred twelve".