1123002101 has 16 divisors (see below), whose sum is σ = 1231251840. Its totient is φ = 1017992640.

The previous prime is 1123002073. The next prime is 1123002103. The reversal of 1123002101 is 1012003211.

It is a cyclic number.

It is not a de Polignac number, because 1123002101 - 2⁶ = 1123002037 is a prime.

It is a super-2 number, since 2×1123002101² = 2522267437700828402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123002103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246026 + ... + 250548.

It is an arithmetic number, because the mean of its divisors is an integer number (76953240).

Almost surely, 2^1123002101 is an apocalyptic number.

It is an amenable number.

1123002101 is a deficient number, since it is larger than the sum of its proper divisors (108249739).

1123002101 is a wasteful number, since it uses less digits than its factorization.

1123002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4876.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1123002101 is about 33511.2235079533. The cubic root of 1123002101 is about 1039.4258730181.

Adding to 1123002101 its reverse (1012003211), we get a palindrome (2135005312).

The spelling of 1123002101 in words is "one billion, one hundred twenty-three million, two thousand, one hundred one".