2110121211012 has 12 divisors (see below), whose sum is σ = 4923616159056. Its totient is φ = 703373737000.

The previous prime is 2110121210987. The next prime is 2110121211019. The reversal of 2110121211012 is 2101121210112.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2110121211012² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2110121210982 and 2110121211000.

It is not an unprimeable number, because it can be changed into a prime (2110121211019) 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, 87921717114 + ... + 87921717137.

It is an arithmetic number, because the mean of its divisors is an integer number (410301346588).

Almost surely, 2^{2110121211012} is an apocalyptic number.

It is an amenable number.

2110121211012 is an abundant number, since it is smaller than the sum of its proper divisors (2813494948044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2110121211012 is a wasteful number, since it uses less digits than its factorization.

2110121211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175843434258 (or 175843434256 counting only the distinct ones).

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

Adding to 2110121211012 its reverse (2101121210112), we get a palindrome (4211242421124).

The spelling of 2110121211012 in words is "two trillion, one hundred ten billion, one hundred twenty-one million, two hundred eleven thousand, twelve".