2110121221011 has 8 divisors (see below), whose sum is σ = 2814532779264. Its totient is φ = 1406228571720.

The previous prime is 2110121220959. The next prime is 2110121221069. The reversal of 2110121221011 is 1101221210112.

It is a happy number.

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

It is not a de Polignac number, because 2110121221011 - 2¹¹ = 2110121218963 is a prime.

It is a super-2 number, since 2×2110121221011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2110121225011) 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, 129717751 + ... + 129734016.

It is an arithmetic number, because the mean of its divisors is an integer number (351816597408).

Almost surely, 2^{2110121221011} is an apocalyptic number.

2110121221011 is a deficient number, since it is larger than the sum of its proper divisors (704411558253).

2110121221011 is a wasteful number, since it uses less digits than its factorization.

2110121221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259454481.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2110121221011 its reverse (1101221210112), we get a palindrome (3211342431123).

The spelling of 2110121221011 in words is "two trillion, one hundred ten billion, one hundred twenty-one million, two hundred twenty-one thousand, eleven".