2102185038 has 16 divisors (see below), whose sum is σ = 4205808000. Its totient is φ = 700488696.

The previous prime is 2102185021. The next prime is 2102185039. The reversal of 2102185038 is 8305812012.

It is a super-2 number, since 2×2102185038² = 8838363867982122888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2102184996 and 2102185014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102185039) 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 7 ways as a sum of consecutive naturals, for example, 40420 + ... + 76407.

It is an arithmetic number, because the mean of its divisors is an integer number (262863000).

Almost surely, 2^2102185038 is an apocalyptic number.

2102185038 is an abundant number, since it is smaller than the sum of its proper divisors (2103622962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102185038 is a wasteful number, since it uses less digits than its factorization.

2102185038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119831.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 2102185038 is about 45849.5914703719. The cubic root of 2102185038 is about 1281.0231561342.

The spelling of 2102185038 in words is "two billion, one hundred two million, one hundred eighty-five thousand, thirty-eight".