1101231203 has 8 divisors (see below), whose sum is σ = 1171143120. Its totient is φ = 1032514560.

The previous prime is 1101231199. The next prime is 1101231221. The reversal of 1101231203 is 3021321011.

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

It is not a de Polignac number, because 1101231203 - 2² = 1101231199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101231293) 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, 296918 + ... + 300603.

It is an arithmetic number, because the mean of its divisors is an integer number (146392890).

Almost surely, 2^1101231203 is an apocalyptic number.

1101231203 is a deficient number, since it is larger than the sum of its proper divisors (69911917).

1101231203 is an equidigital number, since it uses as much as digits as its factorization.

1101231203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597637.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1101231203 is about 33184.8037963162. The cubic root of 1101231203 is about 1032.6651071200.

Adding to 1101231203 its reverse (3021321011), we get a palindrome (4122552214).

The spelling of 1101231203 in words is "one billion, one hundred one million, two hundred thirty-one thousand, two hundred three".