244142121011 has 32 divisors (see below), whose sum is σ = 259588177920. Its totient is φ = 229313500416.

The previous prime is 244142121007. The next prime is 244142121037. The reversal of 244142121011 is 110121241442.

It is a cyclic number.

It is not a de Polignac number, because 244142121011 - 2² = 244142121007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244142121211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71657270 + ... + 71660676.

It is an arithmetic number, because the mean of its divisors is an integer number (8112130560).

Almost surely, 2^244142121011 is an apocalyptic number.

244142121011 is a deficient number, since it is larger than the sum of its proper divisors (15446056909).

244142121011 is a wasteful number, since it uses less digits than its factorization.

244142121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 244142121011 its reverse (110121241442), we get a palindrome (354263362453).

The spelling of 244142121011 in words is "two hundred forty-four billion, one hundred forty-two million, one hundred twenty-one thousand, eleven".