200101211018 has 4 divisors (see below), whose sum is σ = 300151816530. Its totient is φ = 100050605508.

The previous prime is 200101210949. The next prime is 200101211047. The reversal of 200101211018 is 810112101002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 810112101002 = 2 ⋅405056050501.

It can be written as a sum of positive squares in only one way, i.e., 199561438729 + 539772289 = 446723^2 + 23233^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200101210987 and 200101211005.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50025302753 + ... + 50025302756.

Almost surely, 2^200101211018 is an apocalyptic number.

200101211018 is a deficient number, since it is larger than the sum of its proper divisors (100050605512).

200101211018 is a wasteful number, since it uses less digits than its factorization.

200101211018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100050605511.

The product of its (nonzero) digits is 32, while the sum is 17.

The spelling of 200101211018 in words is "two hundred billion, one hundred one million, two hundred eleven thousand, eighteen".