122121002404443 has 16 divisors (see below), whose sum is σ = 186402956230656. Its totient is φ = 69665751304320.

The previous prime is 122121002404343. The next prime is 122121002404613. The reversal of 122121002404443 is 344404200121221.

It is not a de Polignac number, because 122121002404443 - 2⁹ = 122121002403931 is a prime.

It is a super-2 number, since 2×122121002404443² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122121002404443.

It is not an unprimeable number, because it can be changed into a prime (122121002404343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4903263963 + ... + 4903288868.

It is an arithmetic number, because the mean of its divisors is an integer number (11650184764416).

Almost surely, 2^{122121002404443} is an apocalyptic number.

122121002404443 is a deficient number, since it is larger than the sum of its proper divisors (64281953826213).

122121002404443 is an equidigital number, since it uses as much as digits as its factorization.

122121002404443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9806553434.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 122121002404443 its reverse (344404200121221), we get a palindrome (466525202525664).

The spelling of 122121002404443 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, two million, four hundred four thousand, four hundred forty-three".