102232033002221 has 4 divisors (see below), whose sum is σ = 102232060520412. Its totient is φ = 102232005484032.

The previous prime is 102232033002181. The next prime is 102232033002299. The reversal of 102232033002221 is 122200330232201.

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 69192368058025 + 33039664944196 = 8318195^2 + 5748014^2 .

It is a cyclic number.

It is not a de Polignac number, because 102232033002221 - 2²² = 102232028807917 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 (102232033002521) 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, 7118006 + ... + 15972791.

It is an arithmetic number, because the mean of its divisors is an integer number (25558015130103).

Almost surely, 2^{102232033002221} is an apocalyptic number.

It is an amenable number.

102232033002221 is a deficient number, since it is larger than the sum of its proper divisors (27518191).

102232033002221 is an equidigital number, since it uses as much as digits as its factorization.

102232033002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27518190.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 102232033002221 its reverse (122200330232201), we get a palindrome (224432363234422).

The spelling of 102232033002221 in words is "one hundred two trillion, two hundred thirty-two billion, thirty-three million, two thousand, two hundred twenty-one".