1122001202122 has 4 divisors (see below), whose sum is σ = 1683001803186. Its totient is φ = 561000601060.

The previous prime is 1122001202041. The next prime is 1122001202123. The reversal of 1122001202122 is 2212021002211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1105002518481 + 16998683641 = 1051191^2 + 130379^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1122001202096 and 1122001202105.

It is not an unprimeable number, because it can be changed into a prime (1122001202123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280500300529 + ... + 280500300532.

Almost surely, 2^{1122001202122} is an apocalyptic number.

1122001202122 is a deficient number, since it is larger than the sum of its proper divisors (561000601064).

1122001202122 is an equidigital number, since it uses as much as digits as its factorization.

1122001202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561000601063.

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

Adding to 1122001202122 its reverse (2212021002211), we get a palindrome (3334022204333).

The spelling of 1122001202122 in words is "one trillion, one hundred twenty-two billion, one million, two hundred two thousand, one hundred twenty-two".