1101122213 has 4 divisors (see below), whose sum is σ = 1107877728. Its totient is φ = 1094366700.

The previous prime is 1101122167. The next prime is 1101122237. The reversal of 1101122213 is 3122211011.

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: 3122211011 = 54673 ⋅57107.

It is a cyclic number.

It is not a de Polignac number, because 1101122213 - 2⁶ = 1101122149 is a prime.

It is a super-3 number, since 3×1101122213³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101122273) 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, 3377513 + ... + 3377838.

It is an arithmetic number, because the mean of its divisors is an integer number (276969432).

Almost surely, 2^1101122213 is an apocalyptic number.

It is an amenable number.

1101122213 is a deficient number, since it is larger than the sum of its proper divisors (6755515).

1101122213 is an equidigital number, since it uses as much as digits as its factorization.

1101122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6755514.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1101122213 is about 33183.1615883719. The cubic root of 1101122213 is about 1032.6310380153.

Adding to 1101122213 its reverse (3122211011), we get a palindrome (4223333224).

The spelling of 1101122213 in words is "one billion, one hundred one million, one hundred twenty-two thousand, two hundred thirteen".