1122222101022 has 96 divisors (see below), whose sum is σ = 2810815020000. Its totient is φ = 319805890560.

The previous prime is 1122222100991. The next prime is 1122222101051. The reversal of 1122222101022 is 2201012222211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1122222100986 and 1122222101004.

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 47 ways as a sum of consecutive naturals, for example, 4070668 + ... + 4337600.

It is an arithmetic number, because the mean of its divisors is an integer number (29279323125).

Almost surely, 2^{1122222101022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122222101022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1405407510000).

1122222101022 is an abundant number, since it is smaller than the sum of its proper divisors (1688592918978).

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

1122222101022 is a wasteful number, since it uses less digits than its factorization.

1122222101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268218 (or 268215 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1122222101022 its reverse (2201012222211), we get a palindrome (3323234323233).

The spelling of 1122222101022 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred one thousand, twenty-two".