244120421011 has 2 divisors, whose sum is σ = 244120421012. Its totient is φ = 244120421010.

The previous prime is 244120420997. The next prime is 244120421033. The reversal of 244120421011 is 110124021442.

It is an a-pointer prime, because the next prime (244120421033) can be obtained adding 244120421011 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244120421011 is a prime.

It is not a weakly prime, because it can be changed into another prime (244120421081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122060210505 + 122060210506.

It is an arithmetic number, because the mean of its divisors is an integer number (122060210506).

Almost surely, 2^244120421011 is an apocalyptic number.

244120421011 is a deficient number, since it is larger than the sum of its proper divisors (1).

244120421011 is an equidigital number, since it uses as much as digits as its factorization.

244120421011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 244120421011 its reverse (110124021442), we get a palindrome (354244442453).

The spelling of 244120421011 in words is "two hundred forty-four billion, one hundred twenty million, four hundred twenty-one thousand, eleven".