1022221210112 has 80 divisors (see below), whose sum is σ = 2053835688960. Its totient is φ = 508267548672.

The previous prime is 1022221210069. The next prime is 1022221210187. The reversal of 1022221210112 is 2110121222201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77534273 + ... + 77547455.

It is an arithmetic number, because the mean of its divisors is an integer number (25672946112).

Almost surely, 2^{1022221210112} 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 1022221210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1026917844480).

1022221210112 is an abundant number, since it is smaller than the sum of its proper divisors (1031614478848).

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

1022221210112 is an equidigital number, since it uses as much as digits as its factorization.

1022221210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14033 (or 14017 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1022221210112 its reverse (2110121222201), we get a palindrome (3132342432313).

The spelling of 1022221210112 in words is "one trillion, twenty-two billion, two hundred twenty-one million, two hundred ten thousand, one hundred twelve".