201111200040 has 64 divisors (see below), whose sum is σ = 603424483200. Its totient is φ = 53621574912.

The previous prime is 201111200033. The next prime is 201111200053. The reversal of 201111200040 is 40002111102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 201111199989 and 201111200025.

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 15 ways as a sum of consecutive naturals, for example, 695946 + ... + 941574.

It is an arithmetic number, because the mean of its divisors is an integer number (9428507550).

Almost surely, 2^201111200040 is an apocalyptic number.

201111200040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201111200040 is an abundant number, since it is smaller than the sum of its proper divisors (402313283160).

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

201111200040 is a wasteful number, since it uses less digits than its factorization.

201111200040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252466 (or 252462 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201111200040 its reverse (40002111102), we get a palindrome (241113311142).

The spelling of 201111200040 in words is "two hundred one billion, one hundred eleven million, two hundred thousand, forty".