210022221093929 has 2 divisors, whose sum is σ = 210022221093930. Its totient is φ = 210022221093928.

The previous prime is 210022221093913. The next prime is 210022221093943. The reversal of 210022221093929 is 929390122220012.

210022221093929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178713182773225 + 31309038320704 = 13368365^2 + 5595448^2 .

It is a cyclic number.

It is not a de Polignac number, because 210022221093929 - 2⁴ = 210022221093913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210022221093929.

It is not a weakly prime, because it can be changed into another prime (210022221096929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105011110546964 + 105011110546965.

It is an arithmetic number, because the mean of its divisors is an integer number (105011110546965).

Almost surely, 2^{210022221093929} is an apocalyptic number.

It is an amenable number.

210022221093929 is a deficient number, since it is larger than the sum of its proper divisors (1).

210022221093929 is an equidigital number, since it uses as much as digits as its factorization.

210022221093929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 210022221093929 in words is "two hundred ten trillion, twenty-two billion, two hundred twenty-one million, ninety-three thousand, nine hundred twenty-nine".