2010112210121 has 4 divisors (see below), whose sum is σ = 2128354104852. Its totient is φ = 1891870315392.

The previous prime is 2010112210111. The next prime is 2010112210201. The reversal of 2010112210121 is 1210122110102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 818914593721 + 1191197616400 = 904939^2 + 1091420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2010112210121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2010112210096 and 2010112210105.

It is not an unprimeable number, because it can be changed into a prime (2010112210111) 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, 59120947340 + ... + 59120947373.

It is an arithmetic number, because the mean of its divisors is an integer number (532088526213).

Almost surely, 2^{2010112210121} is an apocalyptic number.

It is an amenable number.

2010112210121 is a deficient number, since it is larger than the sum of its proper divisors (118241894731).

2010112210121 is a wasteful number, since it uses less digits than its factorization.

2010112210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118241894730.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2010112210121 its reverse (1210122110102), we get a palindrome (3220234320223).

The spelling of 2010112210121 in words is "two trillion, ten billion, one hundred twelve million, two hundred ten thousand, one hundred twenty-one".