10001201022018 has 96 divisors (see below), whose sum is σ = 21939073715520. Its totient is φ = 3292505948160.

The previous prime is 10001201021969. The next prime is 10001201022049. The reversal of 10001201022018 is 81022010210001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 544392373 + ... + 544410743.

It is an arithmetic number, because the mean of its divisors is an integer number (228532017870).

Almost surely, 2^{10001201022018} is an apocalyptic number.

10001201022018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10001201022018 is an abundant number, since it is smaller than the sum of its proper divisors (11937872693502).

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

10001201022018 is a wasteful number, since it uses less digits than its factorization.

10001201022018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19632 (or 19629 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10001201022018 its reverse (81022010210001), we get a palindrome (91023211232019).

The spelling of 10001201022018 in words is "ten trillion, one billion, two hundred one million, twenty-two thousand, eighteen".