2106122819 has 8 divisors (see below), whose sum is σ = 2115315840. Its totient is φ = 2096942400.

The previous prime is 2106122797. The next prime is 2106122827. The reversal of 2106122819 is 9182216012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2106122819 - 2¹² = 2106118723 is a prime.

It is a super-2 number, since 2×2106122819² = 8871506657425013522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2106122839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492149 + ... + 496409.

It is an arithmetic number, because the mean of its divisors is an integer number (264414480).

Almost surely, 2^2106122819 is an apocalyptic number.

2106122819 is a deficient number, since it is larger than the sum of its proper divisors (9193021).

2106122819 is a wasteful number, since it uses less digits than its factorization.

2106122819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6301.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 2106122819 is about 45892.5137576926. The cubic root of 2106122819 is about 1281.8225215780.

The spelling of 2106122819 in words is "two billion, one hundred six million, one hundred twenty-two thousand, eight hundred nineteen".