102213321893 has 2 divisors, whose sum is σ = 102213321894. Its totient is φ = 102213321892.

The previous prime is 102213321887. The next prime is 102213321913. The reversal of 102213321893 is 398123312201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100794820324 + 1418501569 = 317482^2 + 37663^2 .

It is an emirp because it is prime and its reverse (398123312201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102213321893 - 2¹² = 102213317797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102213321803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51106660946 + 51106660947.

It is an arithmetic number, because the mean of its divisors is an integer number (51106660947).

Almost surely, 2^102213321893 is an apocalyptic number.

It is an amenable number.

102213321893 is a deficient number, since it is larger than the sum of its proper divisors (1).

102213321893 is an equidigital number, since it uses as much as digits as its factorization.

102213321893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 102213321893 in words is "one hundred two billion, two hundred thirteen million, three hundred twenty-one thousand, eight hundred ninety-three".