11012203001 has 4 divisors (see below), whose sum is σ = 11013097104. Its totient is φ = 11011308900.

The previous prime is 11012202991. The next prime is 11012203003. The reversal of 11012203001 is 10030221011.

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.

It is a cyclic number.

It is not a de Polignac number, because 11012203001 - 2³⁰ = 9938461177 is a prime.

It is a super-2 number, since 2×11012203001² (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 (11012203003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428315 + ... + 453296.

It is an arithmetic number, because the mean of its divisors is an integer number (2753274276).

Almost surely, 2^11012203001 is an apocalyptic number.

It is an amenable number.

11012203001 is a deficient number, since it is larger than the sum of its proper divisors (894103).

11012203001 is an equidigital number, since it uses as much as digits as its factorization.

11012203001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894102.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11012203001 its reverse (10030221011), we get a palindrome (21042424012).

The spelling of 11012203001 in words is "eleven billion, twelve million, two hundred three thousand, one".