1100312201 has 2 divisors, whose sum is σ = 1100312202. Its totient is φ = 1100312200.

The previous prime is 1100312167. The next prime is 1100312293. The reversal of 1100312201 is 1022130011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 622452601 + 477859600 = 24949^2 + 21860^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100312201 - 2¹⁴ = 1100295817 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100362201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550156100 + 550156101.

It is an arithmetic number, because the mean of its divisors is an integer number (550156101).

Almost surely, 2^1100312201 is an apocalyptic number.

It is an amenable number.

1100312201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100312201 is an equidigital number, since it uses as much as digits as its factorization.

1100312201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1100312201 is about 33170.9541768096. The cubic root of 1100312201 is about 1032.3777664865.

Adding to 1100312201 its reverse (1022130011), we get a palindrome (2122442212).

The spelling of 1100312201 in words is "one billion, one hundred million, three hundred twelve thousand, two hundred one".