102302031122221 has 16 divisors (see below), whose sum is σ = 117028324713600. Its totient is φ = 87603698492928.

The previous prime is 102302031122171. The next prime is 102302031122321. The reversal of 102302031122221 is 122221130203201.

It is a cyclic number.

It is not a de Polignac number, because 102302031122221 - 2¹⁹ = 102302030597933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102302031122192 and 102302031122201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102302031122321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37699350 + ... + 40321768.

It is an arithmetic number, because the mean of its divisors is an integer number (7314270294600).

Almost surely, 2^{102302031122221} is an apocalyptic number.

It is an amenable number.

102302031122221 is a deficient number, since it is larger than the sum of its proper divisors (14726293591379).

102302031122221 is a wasteful number, since it uses less digits than its factorization.

102302031122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627748.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 102302031122221 its reverse (122221130203201), we get a palindrome (224523161325422).

The spelling of 102302031122221 in words is "one hundred two trillion, three hundred two billion, thirty-one million, one hundred twenty-two thousand, two hundred twenty-one".