1122221102122 has 16 divisors (see below), whose sum is σ = 1731695760000. Its totient is φ = 545163467488.

The previous prime is 1122221102099. The next prime is 1122221102129. The reversal of 1122221102122 is 2212011222211.

It is a self number, because there is not a number n which added to its sum of digits gives 1122221102122.

It is not an unprimeable number, because it can be changed into a prime (1122221102129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43558372 + ... + 43584127.

It is an arithmetic number, because the mean of its divisors is an integer number (108230985000).

Almost surely, 2^{1122221102122} is an apocalyptic number.

1122221102122 is a deficient number, since it is larger than the sum of its proper divisors (609474657878).

1122221102122 is a wasteful number, since it uses less digits than its factorization.

1122221102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87142685.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1122221102122 its reverse (2212011222211), we get a palindrome (3334232324333).

The spelling of 1122221102122 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred two thousand, one hundred twenty-two".