2001120011101 has 4 divisors (see below), whose sum is σ = 2001347860032. Its totient is φ = 2000892162172.

The previous prime is 2001120011089. The next prime is 2001120011129. The reversal of 2001120011101 is 1011100211002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2001120011101 - 2⁷ = 2001120010973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001120011141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113911291 + ... + 113928856.

It is an arithmetic number, because the mean of its divisors is an integer number (500336965008).

Almost surely, 2^{2001120011101} is an apocalyptic number.

It is an amenable number.

2001120011101 is a deficient number, since it is larger than the sum of its proper divisors (227848931).

2001120011101 is an equidigital number, since it uses as much as digits as its factorization.

2001120011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227848930.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2001120011101 its reverse (1011100211002), we get a palindrome (3012220222103).

The spelling of 2001120011101 in words is "two trillion, one billion, one hundred twenty million, eleven thousand, one hundred one".