11123012201 has 8 divisors (see below), whose sum is σ = 12971443200. Its totient is φ = 9534010164.

The previous prime is 11123012191. The next prime is 11123012203. The reversal of 11123012201 is 10221032111.

It is not a de Polignac number, because 11123012201 - 2¹⁸ = 11122750057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11123012203) 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, 16213961 + ... + 16214646.

It is an arithmetic number, because the mean of its divisors is an integer number (1621430400).

Almost surely, 2^11123012201 is an apocalyptic number.

It is an amenable number.

11123012201 is a deficient number, since it is larger than the sum of its proper divisors (1848430999).

11123012201 is an frugal number, since it uses more digits than its factorization.

11123012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32428628 (or 32428614 counting only the distinct ones).

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

Adding to 11123012201 its reverse (10221032111), we get a palindrome (21344044312).

The spelling of 11123012201 in words is "eleven billion, one hundred twenty-three million, twelve thousand, two hundred one".