12110200101 has 6 divisors (see below), whose sum is σ = 17492511270. Its totient is φ = 8073466728.

The previous prime is 12110200079. The next prime is 12110200117. The reversal of 12110200101 is 10100201121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11577975201 + 532224900 = 107601^2 + 23070^2 .

It is not a de Polignac number, because 12110200101 - 2²¹ = 12108102949 is a prime.

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: 1345577789 = 12110200101 / (1 + 2 + 1 + 1 + 0 + 2 + 0 + 0 + 1 + 0 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110270101) 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 5 ways as a sum of consecutive naturals, for example, 672788886 + ... + 672788903.

It is an arithmetic number, because the mean of its divisors is an integer number (2915418545).

Almost surely, 2^12110200101 is an apocalyptic number.

It is an amenable number.

12110200101 is a deficient number, since it is larger than the sum of its proper divisors (5382311169).

12110200101 is a wasteful number, since it uses less digits than its factorization.

12110200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345577795 (or 1345577792 counting only the distinct ones).

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

Adding to 12110200101 its reverse (10100201121), we get a palindrome (22210401222).

The spelling of 12110200101 in words is "twelve billion, one hundred ten million, two hundred thousand, one hundred one".