22102102020018 has 16 divisors (see below), whose sum is σ = 44595391687776. Its totient is φ = 7302169398720.

The previous prime is 22102102020017. The next prime is 22102102020041. The reversal of 22102102020018 is 81002020120122.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22102102019976 and 22102102020003.

It is not an unprimeable number, because it can be changed into a prime (22102102020017) 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, 16299484588 + ... + 16299485943.

It is an arithmetic number, because the mean of its divisors is an integer number (2787211980486).

Almost surely, 2^{22102102020018} is an apocalyptic number.

22102102020018 is an abundant number, since it is smaller than the sum of its proper divisors (22493289667758).

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

22102102020018 is a wasteful number, since it uses less digits than its factorization.

22102102020018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32598970649.

The product of its (nonzero) digits is 256, while the sum is 21.

The spelling of 22102102020018 in words is "twenty-two trillion, one hundred two billion, one hundred two million, twenty thousand, eighteen".