2011200110001 has 8 divisors (see below), whose sum is σ = 2979555718560. Its totient is φ = 1340800073316.

The previous prime is 2011200109987. The next prime is 2011200110009. The reversal of 2011200110001 is 1000110021102.

It is a happy number.

It is not a de Polignac number, because 2011200110001 - 2⁶ = 2011200109937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2011200110009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37244446455 + ... + 37244446508.

It is an arithmetic number, because the mean of its divisors is an integer number (372444464820).

Almost surely, 2^{2011200110001} is an apocalyptic number.

It is an amenable number.

2011200110001 is a deficient number, since it is larger than the sum of its proper divisors (968355608559).

2011200110001 is an equidigital number, since it uses as much as digits as its factorization.

2011200110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74488892972 (or 74488892966 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 2011200110001 its reverse (1000110021102), we get a palindrome (3011310131103).

The spelling of 2011200110001 in words is "two trillion, eleven billion, two hundred million, one hundred ten thousand, one".