1101122201 has 4 divisors (see below), whose sum is σ = 1136642304. Its totient is φ = 1065602100.

The previous prime is 1101122167. The next prime is 1101122237. The reversal of 1101122201 is 1022211011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1022211011 = 23 ⋅44443957.

It is a cyclic number.

It is not a de Polignac number, because 1101122201 - 2⁶ = 1101122137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101124201) 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 3 ways as a sum of consecutive naturals, for example, 17760005 + ... + 17760066.

It is an arithmetic number, because the mean of its divisors is an integer number (284160576).

Almost surely, 2^1101122201 is an apocalyptic number.

It is an amenable number.

1101122201 is a deficient number, since it is larger than the sum of its proper divisors (35520103).

1101122201 is an equidigital number, since it uses as much as digits as its factorization.

1101122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35520102.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1101122201 is about 33183.1614075573. The cubic root of 1101122201 is about 1032.6310342641.

Adding to 1101122201 its reverse (1022211011), we get a palindrome (2123333212).

The spelling of 1101122201 in words is "one billion, one hundred one million, one hundred twenty-two thousand, two hundred one".