111111000022212 has 48 divisors (see below), whose sum is σ = 270535322736000. Its totient is φ = 35426146674688.

The previous prime is 111111000022091. The next prime is 111111000022213. The reversal of 111111000022212 is 212220000111111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111111000022191 and 111111000022200.

It is not an unprimeable number, because it can be changed into a prime (111111000022213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14912164 + ... + 21085412.

It is an arithmetic number, because the mean of its divisors is an integer number (5636152557000).

Almost surely, 2^{111111000022212} is an apocalyptic number.

111111000022212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111111000022212 is an abundant number, since it is smaller than the sum of its proper divisors (159424322713788).

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

111111000022212 is a wasteful number, since it uses less digits than its factorization.

111111000022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6238492 (or 6238490 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111111000022212 its reverse (212220000111111), we get a palindrome (323331000133323).

The spelling of 111111000022212 in words is "one hundred eleven trillion, one hundred eleven billion, twenty-two thousand, two hundred twelve".