111212000111022 has 24 divisors (see below), whose sum is σ = 234746659518696. Its totient is φ = 35119578981744.

The previous prime is 111212000111021. The next prime is 111212000111053. The reversal of 111212000111022 is 220111000212111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111212000110992 and 111212000111010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111212000111021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25672204693 + ... + 25672209024.

It is an arithmetic number, because the mean of its divisors is an integer number (9781110813279).

Almost surely, 2^{111212000111022} is an apocalyptic number.

111212000111022 is an abundant number, since it is smaller than the sum of its proper divisors (123534659407674).

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

111212000111022 is a wasteful number, since it uses less digits than its factorization.

111212000111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51344413760 (or 51344413741 counting only the distinct ones).

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

Adding to 111212000111022 its reverse (220111000212111), we get a palindrome (331323000323133).

The spelling of 111212000111022 in words is "one hundred eleven trillion, two hundred twelve billion, one hundred eleven thousand, twenty-two".