10102110000121 has 4 divisors (see below), whose sum is σ = 10696351764852. Its totient is φ = 9507868235392.

The previous prime is 10102110000041. The next prime is 10102110000139. The reversal of 10102110000121 is 12100001120101.

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 3313146242025 + 6788963758096 = 1820205^2 + 2605564^2 .

It is a cyclic number.

It is not a de Polignac number, because 10102110000121 - 2¹⁹ = 10102109475833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10102110000098 and 10102110000107.

It is not an unprimeable number, because it can be changed into a prime (10102110010121) 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, 297120882340 + ... + 297120882373.

It is an arithmetic number, because the mean of its divisors is an integer number (2674087941213).

Almost surely, 2^{10102110000121} is an apocalyptic number.

It is an amenable number.

10102110000121 is a deficient number, since it is larger than the sum of its proper divisors (594241764731).

10102110000121 is an equidigital number, since it uses as much as digits as its factorization.

10102110000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594241764730.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10102110000121 its reverse (12100001120101), we get a palindrome (22202111120222).

The spelling of 10102110000121 in words is "ten trillion, one hundred two billion, one hundred ten million, one hundred twenty-one", and thus it is an aban number.