1101120201 has 24 divisors (see below), whose sum is σ = 1608703200. Its totient is φ = 725711616.

The previous prime is 1101120199. The next prime is 1101120233. The reversal of 1101120201 is 1020211011.

It is a happy number.

It is not a de Polignac number, because 1101120201 - 2¹ = 1101120199 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 (1101120301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 647250 + ... + 648948.

It is an arithmetic number, because the mean of its divisors is an integer number (67029300).

Almost surely, 2^1101120201 is an apocalyptic number.

It is an amenable number.

1101120201 is a deficient number, since it is larger than the sum of its proper divisors (507582999).

1101120201 is a wasteful number, since it uses less digits than its factorization.

1101120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485 (or 2482 counting only the distinct ones).

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

The square root of 1101120201 is about 33183.1312717772. The cubic root of 1101120201 is about 1032.6304090646.

Adding to 1101120201 its reverse (1020211011), we get a palindrome (2121331212).

The spelling of 1101120201 in words is "one billion, one hundred one million, one hundred twenty thousand, two hundred one".