201011000000 has 98 divisors (see below), whose sum is σ = 498597602244. Its totient is φ = 80404000000.

The previous prime is 201010999967. The next prime is 201011000059. The reversal of 201011000000 is 110102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 899495 + ... + 1100505.

Almost surely, 2^201011000000 is an apocalyptic number.

201011000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201011000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249298801122).

201011000000 is an abundant number, since it is smaller than the sum of its proper divisors (297586602244).

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

201011000000 is an frugal number, since it uses more digits than its factorization.

201011000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201053 (or 201018 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 201011000000 its reverse (110102), we get a palindrome (201011110102).

The spelling of 201011000000 in words is "two hundred one billion, eleven million", and thus it is an aban number.