102222021220993 has 2 divisors, whose sum is σ = 102222021220994. Its totient is φ = 102222021220992.

The previous prime is 102222021220987. The next prime is 102222021221051. The reversal of 102222021220993 is 399022120222201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75493038500929 + 26728982720064 = 8688673^2 + 5170008^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102222021220993 is a prime.

It is not a weakly prime, because it can be changed into another prime (102202021220993) 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 as a sum of consecutive naturals, namely, 51111010610496 + 51111010610497.

It is an arithmetic number, because the mean of its divisors is an integer number (51111010610497).

Almost surely, 2^{102222021220993} is an apocalyptic number.

It is an amenable number.

102222021220993 is a deficient number, since it is larger than the sum of its proper divisors (1).

102222021220993 is an equidigital number, since it uses as much as digits as its factorization.

102222021220993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 102222021220993 in words is "one hundred two trillion, two hundred twenty-two billion, twenty-one million, two hundred twenty thousand, nine hundred ninety-three".