1133120101 has 4 divisors (see below), whose sum is σ = 1135084492. Its totient is φ = 1131155712.

The previous prime is 1133120059. The next prime is 1133120113. The reversal of 1133120101 is 1010213311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1010213311 = 293 ⋅3447827.

It can be written as a sum of positive squares in 2 ways, for example, as 1119237025 + 13883076 = 33455^2 + 3726^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133120101 - 2¹¹ = 1133118053 is a prime.

It is a super-2 number, since 2×1133120101² = 2567922326580500402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133120141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981330 + ... + 982483.

It is an arithmetic number, because the mean of its divisors is an integer number (283771123).

Almost surely, 2^1133120101 is an apocalyptic number.

It is an amenable number.

1133120101 is a deficient number, since it is larger than the sum of its proper divisors (1964391).

1133120101 is an equidigital number, since it uses as much as digits as its factorization.

1133120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964390.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1133120101 is about 33661.8493401655. The cubic root of 1133120101 is about 1042.5382100639.

Adding to 1133120101 its reverse (1010213311), we get a palindrome (2143333412).

The spelling of 1133120101 in words is "one billion, one hundred thirty-three million, one hundred twenty thousand, one hundred one".