1100149101 has 16 divisors (see below), whose sum is σ = 1725724800. Its totient is φ = 690289344.

The previous prime is 1100149093. The next prime is 1100149159. The reversal of 1100149101 is 1019410011.

It is not a de Polignac number, because 1100149101 - 2³ = 1100149093 is a prime.

It is a super-2 number, since 2×1100149101² = 2420656088862216402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100149801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1197961 + ... + 1198878.

It is an arithmetic number, because the mean of its divisors is an integer number (107857800).

Almost surely, 2^1100149101 is an apocalyptic number.

It is an amenable number.

1100149101 is a deficient number, since it is larger than the sum of its proper divisors (625575699).

1100149101 is a wasteful number, since it uses less digits than its factorization.

1100149101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396865 (or 2396859 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The square root of 1100149101 is about 33168.4956095389. The cubic root of 1100149101 is about 1032.3267539545.

Adding to 1100149101 its reverse (1019410011), we get a palindrome (2119559112).

The spelling of 1100149101 in words is "one billion, one hundred million, one hundred forty-nine thousand, one hundred one".