111010211022012 has 24 divisors (see below), whose sum is σ = 259958929789776. Its totient is φ = 36869817378048.

The previous prime is 111010211021999. The next prime is 111010211022013. The reversal of 111010211022012 is 210220112010111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111010211021982 and 111010211022000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111010211022013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16698283533 + ... + 16698290180.

It is an arithmetic number, because the mean of its divisors is an integer number (10831622074574).

Almost surely, 2^{111010211022012} is an apocalyptic number.

111010211022012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111010211022012 is an abundant number, since it is smaller than the sum of its proper divisors (148948718767764).

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

111010211022012 is a wasteful number, since it uses less digits than its factorization.

111010211022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33396573997 (or 33396573995 counting only the distinct ones).

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

Adding to 111010211022012 its reverse (210220112010111), we get a palindrome (321230323032123).

The spelling of 111010211022012 in words is "one hundred eleven trillion, ten billion, two hundred eleven million, twenty-two thousand, twelve".