2011010110121 has 4 divisors (see below), whose sum is σ = 2011577074512. Its totient is φ = 2010443145732.

The previous prime is 2011010110091. The next prime is 2011010110133. The reversal of 2011010110121 is 1210110101102.

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 2011010110121 - 2²⁶ = 2010943001257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2011010112121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283476875 + ... + 283483968.

It is an arithmetic number, because the mean of its divisors is an integer number (502894268628).

Almost surely, 2^{2011010110121} is an apocalyptic number.

It is an amenable number.

2011010110121 is a deficient number, since it is larger than the sum of its proper divisors (566964391).

2011010110121 is an equidigital number, since it uses as much as digits as its factorization.

2011010110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566964390.

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

Adding to 2011010110121 its reverse (1210110101102), we get a palindrome (3221120211223).

The spelling of 2011010110121 in words is "two trillion, eleven billion, ten million, one hundred ten thousand, one hundred twenty-one".