1111200201 has 20 divisors (see below), whose sum is σ = 1665316224. Its totient is φ = 738401400.

The previous prime is 1111200191. The next prime is 1111200203. The reversal of 1111200201 is 1020021111.

It is a happy number.

It is not a de Polignac number, because 1111200201 - 2⁶ = 1111200137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1111200203) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3136 + ... + 47246.

Almost surely, 2^1111200201 is an apocalyptic number.

It is an amenable number.

1111200201 is a deficient number, since it is larger than the sum of its proper divisors (554116023).

1111200201 is an equidigital number, since it uses as much as digits as its factorization.

1111200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44434 (or 44425 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1111200201 is about 33334.6696548803. The cubic root of 1111200201 is about 1035.7718502113.

Adding to 1111200201 its reverse (1020021111), we get a palindrome (2131221312).

The spelling of 1111200201 in words is "one billion, one hundred eleven million, two hundred thousand, two hundred one".