2102242212018 has 24 divisors (see below), whose sum is σ = 4905231828588. Its totient is φ = 646843757472.

The previous prime is 2102242212017. The next prime is 2102242212079. The reversal of 2102242212018 is 8102122422012.

2102242212018 is a `hidden beast` number, since 2 + 10 + 22 + 422 + 1 + 201 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1623567801249 + 478674410769 = 1274193^2 + 691863^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2102242211982 and 2102242212000.

It is not an unprimeable number, because it can be changed into a prime (2102242212017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4491970305 + ... + 4491970772.

Almost surely, 2^{2102242212018} is an apocalyptic number.

2102242212018 is an abundant number, since it is smaller than the sum of its proper divisors (2802989616570).

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

2102242212018 is a wasteful number, since it uses less digits than its factorization.

2102242212018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8983941098 (or 8983941095 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

It can be divided in two parts, 210224 and 2212018, that added together give a palindrome (2422242).

The spelling of 2102242212018 in words is "two trillion, one hundred two billion, two hundred forty-two million, two hundred twelve thousand, eighteen".