1222112102022 has 128 divisors (see below), whose sum is σ = 3139460121600. Its totient is φ = 345171456000.

The previous prime is 1222112102021. The next prime is 1222112102027. The reversal of 1222112102022 is 2202012112221.

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 = 1222112101986 and 1222112102004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222112102021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24447129 + ... + 24497067.

It is an arithmetic number, because the mean of its divisors is an integer number (24527032200).

Almost surely, 2^{1222112102022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222112102022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1569730060800).

1222112102022 is an abundant number, since it is smaller than the sum of its proper divisors (1917348019578).

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

1222112102022 is a wasteful number, since it uses less digits than its factorization.

1222112102022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50699 (or 50693 counting only the distinct ones).

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

Adding to 1222112102022 its reverse (2202012112221), we get a palindrome (3424124214243).

The spelling of 1222112102022 in words is "one trillion, two hundred twenty-two billion, one hundred twelve million, one hundred two thousand, twenty-two".