10110021211121 has 4 divisors (see below), whose sum is σ = 10887715150452. Its totient is φ = 9332327271792.

The previous prime is 10110021211079. The next prime is 10110021211133. The reversal of 10110021211121 is 12111212001101.

10110021211121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4506555808225 + 5603465402896 = 2122865^2 + 2367164^2 .

It is a cyclic number.

It is not a de Polignac number, because 10110021211121 - 2¹⁸ = 10110020948977 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 = 10110021211096 and 10110021211105.

It is not an unprimeable number, because it can be changed into a prime (10110021211151) 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, 388846969646 + ... + 388846969671.

It is an arithmetic number, because the mean of its divisors is an integer number (2721928787613).

Almost surely, 2^{10110021211121} is an apocalyptic number.

It is an amenable number.

10110021211121 is a deficient number, since it is larger than the sum of its proper divisors (777693939331).

10110021211121 is an equidigital number, since it uses as much as digits as its factorization.

10110021211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777693939330.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10110021211121 its reverse (12111212001101), we get a palindrome (22221233212222).

The spelling of 10110021211121 in words is "ten trillion, one hundred ten billion, twenty-one million, two hundred eleven thousand, one hundred twenty-one".