2011330210121 has 4 divisors (see below), whose sum is σ = 2017797510144. Its totient is φ = 2004862910100.

The previous prime is 2011330210081. The next prime is 2011330210157. The reversal of 2011330210121 is 1210120331102.

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 2011330210121 - 2²⁶ = 2011263101257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2011330210121.

It is not an unprimeable number, because it can be changed into a prime (2011330270121) 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, 3233649545 + ... + 3233650166.

It is an arithmetic number, because the mean of its divisors is an integer number (504449377536).

Almost surely, 2^{2011330210121} is an apocalyptic number.

It is an amenable number.

2011330210121 is a deficient number, since it is larger than the sum of its proper divisors (6467300023).

2011330210121 is an equidigital number, since it uses as much as digits as its factorization.

2011330210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6467300022.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2011330210121 its reverse (1210120331102), we get a palindrome (3221450541223).

The spelling of 2011330210121 in words is "two trillion, eleven billion, three hundred thirty million, two hundred ten thousand, one hundred twenty-one".