201111201340 has 48 divisors (see below), whose sum is σ = 490579475904. Its totient is φ = 67822041600.

The previous prime is 201111201331. The next prime is 201111201353. The reversal of 201111201340 is 43102111102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11766121 + ... + 11783200.

It is an arithmetic number, because the mean of its divisors is an integer number (10220405748).

Almost surely, 2^201111201340 is an apocalyptic number.

201111201340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201111201340 is an abundant number, since it is smaller than the sum of its proper divisors (289468274564).

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

201111201340 is a wasteful number, since it uses less digits than its factorization.

201111201340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23549398 (or 23549396 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 201111201340 its reverse (43102111102), we get a palindrome (244213312442).

The spelling of 201111201340 in words is "two hundred one billion, one hundred eleven million, two hundred one thousand, three hundred forty".