222110111001012 has 96 divisors (see below), whose sum is σ = 563354919050112. Its totient is φ = 67700946479616.

The previous prime is 222110111000971. The next prime is 222110111001029. The reversal of 222110111001012 is 210100111011222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222110111000982 and 222110111001000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 657045138 + ... + 657383094.

It is an arithmetic number, because the mean of its divisors is an integer number (5868280406772).

Almost surely, 2^{222110111001012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222110111001012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281677459525056).

222110111001012 is an abundant number, since it is smaller than the sum of its proper divisors (341244808049100).

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

222110111001012 is a wasteful number, since it uses less digits than its factorization.

222110111001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377457 (or 377455 counting only the distinct ones).

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

Adding to 222110111001012 its reverse (210100111011222), we get a palindrome (432210222012234).

The spelling of 222110111001012 in words is "two hundred twenty-two trillion, one hundred ten billion, one hundred eleven million, one thousand, twelve".