11001212203 has 8 divisors (see below), whose sum is σ = 11438985600. Its totient is φ = 10568619840.

The previous prime is 11001212177. The next prime is 11001212219. The reversal of 11001212203 is 30221210011.

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 11001212203 - 2⁹ = 11001211691 is a prime.

It is a super-2 number, since 2×11001212203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001212273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1290928 + ... + 1299421.

It is an arithmetic number, because the mean of its divisors is an integer number (1429873200).

Almost surely, 2^11001212203 is an apocalyptic number.

11001212203 is a deficient number, since it is larger than the sum of its proper divisors (437773397).

11001212203 is a wasteful number, since it uses less digits than its factorization.

11001212203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590517.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11001212203 its reverse (30221210011), we get a palindrome (41222422214).

The spelling of 11001212203 in words is "eleven billion, one million, two hundred twelve thousand, two hundred three".