244211312121 has 48 divisors (see below), whose sum is σ = 393025239936. Its totient is φ = 134377657344.

The previous prime is 244211312099. The next prime is 244211312129. The reversal of 244211312121 is 121213112442.

It is not a de Polignac number, because 244211312121 - 2⁵ = 244211312089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 244211312091 and 244211312100.

It is not an unprimeable number, because it can be changed into a prime (244211312129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 296140 + ... + 759026.

It is an arithmetic number, because the mean of its divisors is an integer number (8188025832).

Almost surely, 2^244211312121 is an apocalyptic number.

244211312121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

244211312121 is a deficient number, since it is larger than the sum of its proper divisors (148813927815).

244211312121 is a wasteful number, since it uses less digits than its factorization.

244211312121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463038 (or 463031 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

Adding to 244211312121 its reverse (121213112442), we get a palindrome (365424424563).

The spelling of 244211312121 in words is "two hundred forty-four billion, two hundred eleven million, three hundred twelve thousand, one hundred twenty-one".