201001211018 has 8 divisors (see below), whose sum is σ = 311898430980. Its totient is φ = 97035067360.

The previous prime is 201001211011. The next prime is 201001211041. The reversal of 201001211018 is 810112100102.

201001211018 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 200674433089 + 326777929 = 447967^2 + 18077^2 .

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

It is a super-3 number, since 3×201001211018³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201001210987 and 201001211005.

It is not an unprimeable number, because it can be changed into a prime (201001211011) 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, 1732769003 + ... + 1732769118.

Almost surely, 2^201001211018 is an apocalyptic number.

201001211018 is a deficient number, since it is larger than the sum of its proper divisors (110897219962).

201001211018 is a wasteful number, since it uses less digits than its factorization.

201001211018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465538152.

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

The spelling of 201001211018 in words is "two hundred one billion, one million, two hundred eleven thousand, eighteen".