102002231022121 has 8 divisors (see below), whose sum is σ = 102399451941384. Its totient is φ = 101605012623360.

The previous prime is 102002231022073. The next prime is 102002231022311. The reversal of 102002231022121 is 121220132200201.

It can be written as a sum of positive squares in 4 ways, for example, as 89446292336025 + 12555938686096 = 9457605^2 + 3543436^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102002231022121 - 2¹⁵ = 102002230989353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102002231022721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161435611 + ... + 162066223.

It is an arithmetic number, because the mean of its divisors is an integer number (12799931492673).

Almost surely, 2^{102002231022121} is an apocalyptic number.

It is an amenable number.

102002231022121 is a deficient number, since it is larger than the sum of its proper divisors (397220919263).

102002231022121 is an equidigital number, since it uses as much as digits as its factorization.

102002231022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260251.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 102002231022121 its reverse (121220132200201), we get a palindrome (223222363222322).

The spelling of 102002231022121 in words is "one hundred two trillion, two billion, two hundred thirty-one million, twenty-two thousand, one hundred twenty-one".