10104102121 has 4 divisors (see below), whose sum is σ = 10119576132. Its totient is φ = 10088628112.

The previous prime is 10104102119. The next prime is 10104102139. The reversal of 10104102121 is 12120140101.

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 1592010000 + 8512092121 = 39900^2 + 92261^2 .

It is a cyclic number.

It is not a de Polignac number, because 10104102121 - 2¹ = 10104102119 is a prime.

It is a super-3 number, since 3×10104102121³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10104102221) 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, 7736026 + ... + 7737331.

It is an arithmetic number, because the mean of its divisors is an integer number (2529894033).

Almost surely, 2^10104102121 is an apocalyptic number.

It is an amenable number.

10104102121 is a deficient number, since it is larger than the sum of its proper divisors (15474011).

10104102121 is an equidigital number, since it uses as much as digits as its factorization.

10104102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15474010.

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

Adding to 10104102121 its reverse (12120140101), we get a palindrome (22224242222).

It can be divided in two parts, 10104 and 102121, that added together give a square (112225 = 335²).

The spelling of 10104102121 in words is "ten billion, one hundred four million, one hundred two thousand, one hundred twenty-one".