102000121112101 has 4 divisors (see below), whose sum is σ = 102104522465292. Its totient is φ = 101895719758912.

The previous prime is 102000121112083. The next prime is 102000121112119. The reversal of 102000121112101 is 101211121000201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (102000121112083) and next prime (102000121112119).

It can be written as a sum of positive squares in 2 ways, for example, as 86893140079201 + 15106981032900 = 9321649^2 + 3886770^2 .

It is a cyclic number.

It is not a de Polignac number, because 102000121112101 - 2²⁹ = 101999584241189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102000121112171) 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, 52200675130 + ... + 52200677083.

It is an arithmetic number, because the mean of its divisors is an integer number (25526130616323).

Almost surely, 2^{102000121112101} is an apocalyptic number.

It is an amenable number.

102000121112101 is a deficient number, since it is larger than the sum of its proper divisors (104401353191).

102000121112101 is an equidigital number, since it uses as much as digits as its factorization.

102000121112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104401353190.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102000121112101 its reverse (101211121000201), we get a palindrome (203211242112302).

The spelling of 102000121112101 in words is "one hundred two trillion, one hundred twenty-one million, one hundred twelve thousand, one hundred one".