210122040220442 has 48 divisors (see below), whose sum is σ = 376724781905472. Its totient is φ = 87593091707520.

The previous prime is 210122040220441. The next prime is 210122040220459. The reversal of 210122040220442 is 244022040221012.

It is not an unprimeable number, because it can be changed into a prime (210122040220441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102434318 + ... + 104465465.

It is an arithmetic number, because the mean of its divisors is an integer number (7848432956364).

Almost surely, 2^{210122040220442} is an apocalyptic number.

210122040220442 is a deficient number, since it is larger than the sum of its proper divisors (166602741685030).

210122040220442 is a wasteful number, since it uses less digits than its factorization.

210122040220442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206900083 (or 206900076 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 210122040220442 its reverse (244022040221012), we get a palindrome (454144080441454).

The spelling of 210122040220442 in words is "two hundred ten trillion, one hundred twenty-two billion, forty million, two hundred twenty thousand, four hundred forty-two".