2100213019 has 4 divisors (see below), whose sum is σ = 2100366400. Its totient is φ = 2100059640.

The previous prime is 2100212977. The next prime is 2100213041. The reversal of 2100213019 is 9103120012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2100213019 - 2²³ = 2091824411 is a prime.

It is a super-2 number, since 2×2100213019² = 8821789450354188722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100212987 and 2100213005.

It is not an unprimeable number, because it can be changed into a prime (2100213119) 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 3 ways as a sum of consecutive naturals, for example, 53892 + ... + 84289.

It is an arithmetic number, because the mean of its divisors is an integer number (525091600).

Almost surely, 2^2100213019 is an apocalyptic number.

2100213019 is a deficient number, since it is larger than the sum of its proper divisors (153381).

2100213019 is a wasteful number, since it uses less digits than its factorization.

2100213019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153380.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 2100213019 is about 45828.0811184584. The cubic root of 2100213019 is about 1280.6224631573.

The spelling of 2100213019 in words is "two billion, one hundred million, two hundred thirteen thousand, nineteen".