1011201020018 has 16 divisors (see below), whose sum is σ = 1733614388160. Its totient is φ = 433340134416.

The previous prime is 1011201020017. The next prime is 1011201020041. The reversal of 1011201020018 is 8100201021101.

It is a junction number, because it is equal to n+sod(n) for n = 1011201019978 and 1011201020005.

It is not an unprimeable number, because it can be changed into a prime (1011201020017) 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, 2445728 + ... + 2829131.

It is an arithmetic number, because the mean of its divisors is an integer number (108350899260).

Almost surely, 2^{1011201020018} is an apocalyptic number.

1011201020018 is a deficient number, since it is larger than the sum of its proper divisors (722413368142).

1011201020018 is a wasteful number, since it uses less digits than its factorization.

1011201020018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5288561.

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

Adding to 1011201020018 its reverse (8100201021101), we get a palindrome (9111402041119).

The spelling of 1011201020018 in words is "one trillion, eleven billion, two hundred one million, twenty thousand, eighteen".