1101222241 has 4 divisors (see below), whose sum is σ = 1258539712. Its totient is φ = 943904772.

The previous prime is 1101222233. The next prime is 1101222253. The reversal of 1101222241 is 1422221011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1101222241 - 2³ = 1101222233 is a prime.

It is a super-3 number, since 3×1101222241³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101222341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78658725 + ... + 78658738.

It is an arithmetic number, because the mean of its divisors is an integer number (314634928).

Almost surely, 2^1101222241 is an apocalyptic number.

It is an amenable number.

1101222241 is a deficient number, since it is larger than the sum of its proper divisors (157317471).

1101222241 is an equidigital number, since it uses as much as digits as its factorization.

1101222241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157317470.

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

The square root of 1101222241 is about 33184.6687643556. The cubic root of 1101222241 is about 1032.6623057798.

Adding to 1101222241 its reverse (1422221011), we get a palindrome (2523443252).

The spelling of 1101222241 in words is "one billion, one hundred one million, two hundred twenty-two thousand, two hundred forty-one".