10110210202121 has 4 divisors (see below), whose sum is σ = 10136200460100. Its totient is φ = 10084219944144.

The previous prime is 10110210202063. The next prime is 10110210202153. The reversal of 10110210202121 is 12120201201101.

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 3423517575625 + 6686692626496 = 1850275^2 + 2585864^2 .

It is a cyclic number.

It is not a de Polignac number, because 10110210202121 - 2¹⁴ = 10110210185737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10110210202096 and 10110210202105.

It is not an unprimeable number, because it can be changed into a prime (10110210402121) 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, 12995128406 + ... + 12995129183.

It is an arithmetic number, because the mean of its divisors is an integer number (2534050115025).

Almost surely, 2^{10110210202121} is an apocalyptic number.

It is an amenable number.

10110210202121 is a deficient number, since it is larger than the sum of its proper divisors (25990257979).

10110210202121 is an equidigital number, since it uses as much as digits as its factorization.

10110210202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25990257978.

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

Adding to 10110210202121 its reverse (12120201201101), we get a palindrome (22230411403222).

The spelling of 10110210202121 in words is "ten trillion, one hundred ten billion, two hundred ten million, two hundred two thousand, one hundred twenty-one".