1122002021122 has 16 divisors (see below), whose sum is σ = 1692906878520. Its totient is φ = 557709340032.

The previous prime is 1122002021093. The next prime is 1122002021171. The reversal of 1122002021122 is 2211202002211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 857033429121 + 264968592001 = 925761^2 + 514751^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1122002021096 and 1122002021105.

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, 2169097 + ... + 2636092.

Almost surely, 2^{1122002021122} is an apocalyptic number.

1122002021122 is a deficient number, since it is larger than the sum of its proper divisors (570904857398).

1122002021122 is a wasteful number, since it uses less digits than its factorization.

1122002021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4805877.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1122002021122 its reverse (2211202002211), we get a palindrome (3333204023333).

The spelling of 1122002021122 in words is "one trillion, one hundred twenty-two billion, two million, twenty-one thousand, one hundred twenty-two".