2119100427 has 16 divisors (see below), whose sum is σ = 3145169280. Its totient is φ = 1410141096.

The previous prime is 2119100359. The next prime is 2119100437. The reversal of 2119100427 is 7240019112.

It is not a de Polignac number, because 2119100427 - 2⁸ = 2119100171 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2119100427.

It is not an unprimeable number, because it can be changed into a prime (2119100437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56973 + ... + 86510.

It is an arithmetic number, because the mean of its divisors is an integer number (196573080).

Almost surely, 2^2119100427 is an apocalyptic number.

2119100427 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2119100427 is a deficient number, since it is larger than the sum of its proper divisors (1026068853).

2119100427 is a wasteful number, since it uses less digits than its factorization.

2119100427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144039 (or 144033 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 2119100427 is about 46033.6879578424. The cubic root of 2119100427 is about 1284.4499307555.

Adding to 2119100427 its reverse (7240019112), we get a palindrome (9359119539).

The spelling of 2119100427 in words is "two billion, one hundred nineteen million, one hundred thousand, four hundred twenty-seven".