1120201101 has 6 divisors (see below), whose sum is σ = 1618068270. Its totient is φ = 746800728.

The previous prime is 1120201091. The next prime is 1120201171. The reversal of 1120201101 is 1011020211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1080699876 + 39501225 = 32874^2 + 6285^2 .

It is not a de Polignac number, because 1120201101 - 2¹⁰ = 1120200077 is a prime.

It is a super-2 number, since 2×1120201101² = 2509701013363224402, which contains 22 as substring.

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: 124466789 = 1120201101 / (1 + 1 + 2 + 0 + 2 + 0 + 1 + 1 + 0 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120201171) 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, 62233386 + ... + 62233403.

It is an arithmetic number, because the mean of its divisors is an integer number (269678045).

Almost surely, 2^1120201101 is an apocalyptic number.

It is an amenable number.

1120201101 is a deficient number, since it is larger than the sum of its proper divisors (497867169).

1120201101 is a wasteful number, since it uses less digits than its factorization.

1120201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124466795 (or 124466792 counting only the distinct ones).

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

The square root of 1120201101 is about 33469.4054473634. The cubic root of 1120201101 is about 1038.5609723503.

Adding to 1120201101 its reverse (1011020211), we get a palindrome (2131221312).

The spelling of 1120201101 in words is "one billion, one hundred twenty million, two hundred one thousand, one hundred one".