1201100322 has 16 divisors (see below), whose sum is σ = 2453311872. Its totient is φ = 391848240.

The previous prime is 1201100311. The next prime is 1201100323. The reversal of 1201100322 is 2230011021.

It is a junction number, because it is equal to n+sod(n) for n = 1201100298 and 1201100307.

It is not an unprimeable number, because it can be changed into a prime (1201100323) 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, 2129329 + ... + 2129892.

It is an arithmetic number, because the mean of its divisors is an integer number (153331992).

Almost surely, 2^1201100322 is an apocalyptic number.

1201100322 is an abundant number, since it is smaller than the sum of its proper divisors (1252211550).

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

1201100322 is a wasteful number, since it uses less digits than its factorization.

1201100322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4259273.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1201100322 is about 34656.8942924781. The cubic root of 1201100322 is about 1062.9832662392.

Adding to 1201100322 its reverse (2230011021), we get a palindrome (3431111343).

The spelling of 1201100322 in words is "one billion, two hundred one million, one hundred thousand, three hundred twenty-two".