1101222201 has 8 divisors (see below), whose sum is σ = 1473080224. Its totient is φ = 731756160.

The previous prime is 1101222193. The next prime is 1101222223. The reversal of 1101222201 is 1022221011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1101222201 - 2³ = 1101222193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101222701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596920 + ... + 598761.

It is an arithmetic number, because the mean of its divisors is an integer number (184135028).

Almost surely, 2^1101222201 is an apocalyptic number.

It is an amenable number.

1101222201 is a deficient number, since it is larger than the sum of its proper divisors (371858023).

1101222201 is a wasteful number, since it uses less digits than its factorization.

1101222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195991.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1101222201 is about 33184.6681616677. The cubic root of 1101222201 is about 1032.6622932765.

Adding to 1101222201 its reverse (1022221011), we get a palindrome (2123443212).

The spelling of 1101222201 in words is "one billion, one hundred one million, two hundred twenty-two thousand, two hundred one".