210010022018 has 4 divisors (see below), whose sum is σ = 315015033030. Its totient is φ = 105005011008.

The previous prime is 210010022003. The next prime is 210010022051. The reversal of 210010022018 is 810220010012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 184587951769 + 25422070249 = 429637^2 + 159443^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210010021987 and 210010022005.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52502505503 + ... + 52502505506.

Almost surely, 2^210010022018 is an apocalyptic number.

210010022018 is a deficient number, since it is larger than the sum of its proper divisors (105005011012).

210010022018 is a wasteful number, since it uses less digits than its factorization.

210010022018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105005011011.

The product of its (nonzero) digits is 64, while the sum is 17.

The spelling of 210010022018 in words is "two hundred ten billion, ten million, twenty-two thousand, eighteen".