10110121211 has 4 divisors (see below), whose sum is σ = 10168561392. Its totient is φ = 10051681032.

The previous prime is 10110121207. The next prime is 10110121213. The reversal of 10110121211 is 11212101101.

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

It is a cyclic number.

It is not a de Polignac number, because 10110121211 - 2² = 10110121207 is a prime.

It is a super-2 number, since 2×10110121211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10110121192 and 10110121201.

It is not an unprimeable number, because it can be changed into a prime (10110121213) 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, 29219831 + ... + 29220176.

It is an arithmetic number, because the mean of its divisors is an integer number (2542140348).

Almost surely, 2^10110121211 is an apocalyptic number.

10110121211 is a deficient number, since it is larger than the sum of its proper divisors (58440181).

10110121211 is an equidigital number, since it uses as much as digits as its factorization.

10110121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58440180.

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

Adding to 10110121211 its reverse (11212101101), we get a palindrome (21322222312).

The spelling of 10110121211 in words is "ten billion, one hundred ten million, one hundred twenty-one thousand, two hundred eleven".