202021210010018 has 8 divisors (see below), whose sum is σ = 346322074302912. Its totient is φ = 86580518575716.

The previous prime is 202021210010017. The next prime is 202021210010027. The reversal of 202021210010018 is 810010012120202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (202021210010017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7215043214630 + ... + 7215043214657.

It is an arithmetic number, because the mean of its divisors is an integer number (43290259287864).

Almost surely, 2^{202021210010018} is an apocalyptic number.

202021210010018 is a deficient number, since it is larger than the sum of its proper divisors (144300864292894).

202021210010018 is a wasteful number, since it uses less digits than its factorization.

202021210010018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14430086429296.

The product of its (nonzero) digits is 128, while the sum is 20.

The spelling of 202021210010018 in words is "two hundred two trillion, twenty-one billion, two hundred ten million, ten thousand, eighteen".