10210410121 has 4 divisors (see below), whose sum is σ = 10262239812. Its totient is φ = 10158580432.

The previous prime is 10210410107. The next prime is 10210410131. The reversal of 10210410121 is 12101401201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12101401201 = 18839 ⋅642359.

It can be written as a sum of positive squares in 2 ways, for example, as 9987803721 + 222606400 = 99939^2 + 14920^2 .

It is a cyclic number.

It is not a de Polignac number, because 10210410121 - 2²¹ = 10208312969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10210410131) 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, 25914550 + ... + 25914943.

It is an arithmetic number, because the mean of its divisors is an integer number (2565559953).

Almost surely, 2^10210410121 is an apocalyptic number.

It is an amenable number.

10210410121 is a deficient number, since it is larger than the sum of its proper divisors (51829691).

10210410121 is an equidigital number, since it uses as much as digits as its factorization.

10210410121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51829690.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10210410121 its reverse (12101401201), we get a palindrome (22311811322).

It can be divided in two parts, 102104 and 10121, that added together give a square (112225 = 335²).

The spelling of 10210410121 in words is "ten billion, two hundred ten million, four hundred ten thousand, one hundred twenty-one".