102233212021 has 2 divisors, whose sum is σ = 102233212022. Its totient is φ = 102233212020.

The previous prime is 102233212009. The next prime is 102233212051. The reversal of 102233212021 is 120212332201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88476502500 + 13756709521 = 297450^2 + 117289^2 .

It is a cyclic number.

It is not a de Polignac number, because 102233212021 - 2²³ = 102224823413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102233212021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102233212051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51116606010 + 51116606011.

It is an arithmetic number, because the mean of its divisors is an integer number (51116606011).

Almost surely, 2^102233212021 is an apocalyptic number.

It is an amenable number.

102233212021 is a deficient number, since it is larger than the sum of its proper divisors (1).

102233212021 is an equidigital number, since it uses as much as digits as its factorization.

102233212021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102233212021 its reverse (120212332201), we get a palindrome (222445544222).

The spelling of 102233212021 in words is "one hundred two billion, two hundred thirty-three million, two hundred twelve thousand, twenty-one".