102121002112301 has 4 divisors (see below), whose sum is σ = 102123236899932. Its totient is φ = 102118767324672.

The previous prime is 102121002112271. The next prime is 102121002112303. The reversal of 102121002112301 is 103211200121201.

It is a happy number.

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 74492417548201 + 27628584564100 = 8630899^2 + 5256290^2 .

It is a cyclic number.

It is not a de Polignac number, because 102121002112301 - 2⁶ = 102121002112237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102121002112301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121002112303) 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, 1117325270 + ... + 1117416663.

It is an arithmetic number, because the mean of its divisors is an integer number (25530809224983).

Almost surely, 2^{102121002112301} is an apocalyptic number.

It is an amenable number.

102121002112301 is a deficient number, since it is larger than the sum of its proper divisors (2234787631).

102121002112301 is an equidigital number, since it uses as much as digits as its factorization.

102121002112301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234787630.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 102121002112301 its reverse (103211200121201), we get a palindrome (205332202233502).

The spelling of 102121002112301 in words is "one hundred two trillion, one hundred twenty-one billion, two million, one hundred twelve thousand, three hundred one".