1112201001 has 6 divisors (see below), whose sum is σ = 1606512570. Its totient is φ = 741467328.

The previous prime is 1112200993. The next prime is 1112201003. The reversal of 1112201001 is 1001022111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1107891225 + 4309776 = 33285^2 + 2076^2 .

It is not a de Polignac number, because 1112201001 - 2³ = 1112200993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 123577889 = 1112201001 / (1 + 1 + 1 + 2 + 2 + 0 + 1 + 0 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (1112201003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61788936 + ... + 61788953.

It is an arithmetic number, because the mean of its divisors is an integer number (267752095).

Almost surely, 2^1112201001 is an apocalyptic number.

It is an amenable number.

1112201001 is a deficient number, since it is larger than the sum of its proper divisors (494311569).

1112201001 is a wasteful number, since it uses less digits than its factorization.

1112201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123577895 (or 123577892 counting only the distinct ones).

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

The square root of 1112201001 is about 33349.6776746043. The cubic root of 1112201001 is about 1036.0827121119.

Adding to 1112201001 its reverse (1001022111), we get a palindrome (2113223112).

The spelling of 1112201001 in words is "one billion, one hundred twelve million, two hundred one thousand, one".