1111124201 has 4 divisors (see below), whose sum is σ = 1212135504. Its totient is φ = 1010112900.

The previous prime is 1111124191. The next prime is 1111124221. The reversal of 1111124201 is 1024211111.

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 1111124201 - 2¹⁸ = 1110862057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1111124221) 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, 50505635 + ... + 50505656.

It is an arithmetic number, because the mean of its divisors is an integer number (303033876).

Almost surely, 2^1111124201 is an apocalyptic number.

1111124201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1111124201 is a deficient number, since it is larger than the sum of its proper divisors (101011303).

1111124201 is a wasteful number, since it uses less digits than its factorization.

1111124201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101011302.

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 1111124201 is about 33333.5296810884. The cubic root of 1111124201 is about 1035.7482359681.

Adding to 1111124201 its reverse (1024211111), we get a palindrome (2135335312).

The spelling of 1111124201 in words is "one billion, one hundred eleven million, one hundred twenty-four thousand, two hundred one".