1122221221022 has 8 divisors (see below), whose sum is σ = 1836361998072. Its totient is φ = 510100555000.

The previous prime is 1122221221001. The next prime is 1122221221087. The reversal of 1122221221022 is 2201221222211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1122221220985 and 1122221221003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25505027729 + ... + 25505027772.

It is an arithmetic number, because the mean of its divisors is an integer number (229545249759).

Almost surely, 2^{1122221221022} is an apocalyptic number.

1122221221022 is a deficient number, since it is larger than the sum of its proper divisors (714140777050).

1122221221022 is a wasteful number, since it uses less digits than its factorization.

1122221221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51010055514.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1122221221022 its reverse (2201221222211), we get a palindrome (3323442443233).

The spelling of 1122221221022 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred twenty-one thousand, twenty-two".