1101022253 has 2 divisors, whose sum is σ = 1101022254. Its totient is φ = 1101022252.

The previous prime is 1101022249. The next prime is 1101022271. The reversal of 1101022253 is 3522201011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 819218884 + 281803369 = 28622^2 + 16787^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101022253 - 2² = 1101022249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101022243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550511126 + 550511127.

It is an arithmetic number, because the mean of its divisors is an integer number (550511127).

Almost surely, 2^1101022253 is an apocalyptic number.

It is an amenable number.

1101022253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101022253 is an equidigital number, since it uses as much as digits as its factorization.

1101022253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1101022253 is about 33181.6553685918. The cubic root of 1101022253 is about 1032.5997896153.

Adding to 1101022253 its reverse (3522201011), we get a palindrome (4623223264).

The spelling of 1101022253 in words is "one billion, one hundred one million, twenty-two thousand, two hundred fifty-three".