1121032213 has 8 divisors (see below), whose sum is σ = 1336883328. Its totient is φ = 919107024.

The previous prime is 1121032189. The next prime is 1121032223. The reversal of 1121032213 is 3122301211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121032213 - 2⁵ = 1121032181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121032223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3481306 + ... + 3481627.

It is an arithmetic number, because the mean of its divisors is an integer number (167110416).

Almost surely, 2^1121032213 is an apocalyptic number.

It is an amenable number.

1121032213 is a deficient number, since it is larger than the sum of its proper divisors (215851115).

1121032213 is an equidigital number, since it uses as much as digits as its factorization.

1121032213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6962963.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1121032213 is about 33481.8191411399. The cubic root of 1121032213 is about 1038.8177557396.

Adding to 1121032213 its reverse (3122301211), we get a palindrome (4243333424).

The spelling of 1121032213 in words is "one billion, one hundred twenty-one million, thirty-two thousand, two hundred thirteen".