1101222253 has 2 divisors, whose sum is σ = 1101222254. Its totient is φ = 1101222252.

The previous prime is 1101222233. The next prime is 1101222257. The reversal of 1101222253 is 3522221011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1074987369 + 26234884 = 32787^2 + 5122^2 .

It is an emirp because it is prime and its reverse (3522221011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101222253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1101222253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101222257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550611126 + 550611127.

It is an arithmetic number, because the mean of its divisors is an integer number (550611127).

Almost surely, 2^1101222253 is an apocalyptic number.

It is an amenable number.

1101222253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101222253 is an equidigital number, since it uses as much as digits as its factorization.

1101222253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1101222253 is about 33184.6689451620. The cubic root of 1101222253 is about 1032.6623095307.

Adding to 1101222253 its reverse (3522221011), we get a palindrome (4623443264).

The spelling of 1101222253 in words is "one billion, one hundred one million, two hundred twenty-two thousand, two hundred fifty-three".