1011201018 has 16 divisors (see below), whose sum is σ = 2024857440. Its totient is φ = 336657776.

The previous prime is 1011201011. The next prime is 1011201019. The reversal of 1011201018 is 8101021101.

It is a junction number, because it is equal to n+sod(n) for n = 1011200988 and 1011201006.

It is not an unprimeable number, because it can be changed into a prime (1011201011) 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, 96933 + ... + 106856.

It is an arithmetic number, because the mean of its divisors is an integer number (126553590).

Almost surely, 2^1011201018 is an apocalyptic number.

1011201018 is an abundant number, since it is smaller than the sum of its proper divisors (1013656422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011201018 is a wasteful number, since it uses less digits than its factorization.

1011201018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204621.

The product of its (nonzero) digits is 16, while the sum is 15.

The square root of 1011201018 is about 31799.3870695647. The cubic root of 1011201018 is about 1003.7198184602.

Adding to 1011201018 its reverse (8101021101), we get a palindrome (9112222119).

The spelling of 1011201018 in words is "one billion, eleven million, two hundred one thousand, eighteen".