1110120201 has 32 divisors (see below), whose sum is σ = 1747152000. Its totient is φ = 694661184.

The previous prime is 1110120161. The next prime is 1110120217. The reversal of 1110120201 is 1020210111.

It is a happy number.

It is not a de Polignac number, because 1110120201 - 2⁷ = 1110120073 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1110120251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45991 + ... + 65843.

It is an arithmetic number, because the mean of its divisors is an integer number (54598500).

Almost surely, 2^1110120201 is an apocalyptic number.

It is an amenable number.

1110120201 is a deficient number, since it is larger than the sum of its proper divisors (637031799).

1110120201 is a wasteful number, since it uses less digits than its factorization.

1110120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19990 (or 19984 counting only the distinct ones).

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

The square root of 1110120201 is about 33318.4663662660. The cubic root of 1110120201 is about 1035.4361782651.

Adding to 1110120201 its reverse (1020210111), we get a palindrome (2130330312).

The spelling of 1110120201 in words is "one billion, one hundred ten million, one hundred twenty thousand, two hundred one".