1122221001122 has 16 divisors (see below), whose sum is σ = 1919454925752. Its totient is φ = 487480615680.

The previous prime is 1122221001113. The next prime is 1122221001197. The reversal of 1122221001122 is 2211001222211.

It can be written as a sum of positive squares in 4 ways, for example, as 1016933081761 + 105287919361 = 1008431^2 + 324481^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1122221001122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1269480329 + ... + 1269481212.

Almost surely, 2^{1122221001122} is an apocalyptic number.

1122221001122 is a deficient number, since it is larger than the sum of its proper divisors (797233924630).

1122221001122 is a wasteful number, since it uses less digits than its factorization.

1122221001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2538961573.

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

Adding to 1122221001122 its reverse (2211001222211), we get a palindrome (3333222223333).

The spelling of 1122221001122 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-one million, one thousand, one hundred twenty-two".