1611202211322 has 32 divisors (see below), whose sum is σ = 3722135592384. Its totient is φ = 459522912000.

The previous prime is 1611202211299. The next prime is 1611202211323. The reversal of 1611202211322 is 2231122021161.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1611202211292 and 1611202211301.

It is not an unprimeable number, because it can be changed into a prime (1611202211323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 718003429 + ... + 718005672.

It is an arithmetic number, because the mean of its divisors is an integer number (116316737262).

Almost surely, 2^{1611202211322} is an apocalyptic number.

1611202211322 is an abundant number, since it is smaller than the sum of its proper divisors (2110933381062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1611202211322 is a wasteful number, since it uses less digits than its factorization.

1611202211322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436009134.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 1611202211322 its reverse (2231122021161), we get a palindrome (3842324232483).

The spelling of 1611202211322 in words is "one trillion, six hundred eleven billion, two hundred two million, two hundred eleven thousand, three hundred twenty-two".