2102210093 has 8 divisors (see below), whose sum is σ = 2181288312. Its totient is φ = 2024303616.

The previous prime is 2102210069. The next prime is 2102210111. The reversal of 2102210093 is 3900122012.

It can be written as a sum of positive squares in 4 ways, for example, as 291111844 + 1811098249 = 17062^2 + 42557^2 .

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 2102210093 - 2¹⁶ = 2102144557 is a prime.

It is a super-2 number, since 2×2102210093² = 8838574550222137298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102210053) 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, 289280 + ... + 296457.

It is an arithmetic number, because the mean of its divisors is an integer number (272661039).

Almost surely, 2^2102210093 is an apocalyptic number.

It is an amenable number.

2102210093 is a deficient number, since it is larger than the sum of its proper divisors (79078219).

2102210093 is an equidigital number, since it uses as much as digits as its factorization.

2102210093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585871.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2102210093 is about 45849.8646999094. The cubic root of 2102210093 is about 1281.0282454273.

The spelling of 2102210093 in words is "two billion, one hundred two million, two hundred ten thousand, ninety-three".