2011011100121 has 8 divisors (see below), whose sum is σ = 2081071542600. Its totient is φ = 1940998339840.

The previous prime is 2011011100093. The next prime is 2011011100229. The reversal of 2011011100121 is 1210011101102.

It can be written as a sum of positive squares in 4 ways, for example, as 245035890121 + 1765975210000 = 495011^2 + 1328900^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011011100121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011011400121) 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, 11834720 + ... + 12003441.

It is an arithmetic number, because the mean of its divisors is an integer number (260133942825).

Almost surely, 2^{2011011100121} is an apocalyptic number.

It is an amenable number.

2011011100121 is a deficient number, since it is larger than the sum of its proper divisors (70060442479).

2011011100121 is a wasteful number, since it uses less digits than its factorization.

2011011100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23841099.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 2011011100121 its reverse (1210011101102), we get a palindrome (3221022201223).

The spelling of 2011011100121 in words is "two trillion, eleven billion, eleven million, one hundred thousand, one hundred twenty-one".