201013111120044 has 48 divisors (see below), whose sum is σ = 473374488343680. Its totient is φ = 66385466459520.

The previous prime is 201013111120043. The next prime is 201013111120097. The reversal of 201013111120044 is 440021111310102.

It is a self number, because there is not a number n which added to its sum of digits gives 201013111120044.

It is not an unprimeable number, because it can be changed into a prime (201013111120043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102315249 + ... + 104261384.

It is an arithmetic number, because the mean of its divisors is an integer number (9861968507160).

Almost surely, 2^{201013111120044} is an apocalyptic number.

It is an amenable number.

201013111120044 is an abundant number, since it is smaller than the sum of its proper divisors (272361377223636).

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

201013111120044 is a wasteful number, since it uses less digits than its factorization.

201013111120044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206577390 (or 206577388 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 201013111120044 its reverse (440021111310102), we get a palindrome (641034222430146).

The spelling of 201013111120044 in words is "two hundred one trillion, thirteen billion, one hundred eleven million, one hundred twenty thousand, forty-four".