20211244224124 has 12 divisors (see below), whose sum is σ = 35369733423024. Its totient is φ = 10105606103264.

The previous prime is 20211244224109. The next prime is 20211244224151. The reversal of 20211244224124 is 42142244211202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893209 + ... + 6420304.

It is an arithmetic number, because the mean of its divisors is an integer number (2947477785252).

Almost surely, 2^{20211244224124} is an apocalyptic number.

It is an amenable number.

20211244224124 is a deficient number, since it is larger than the sum of its proper divisors (15158489198900).

20211244224124 is a wasteful number, since it uses less digits than its factorization.

20211244224124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8004404 (or 8004402 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 31.

Adding to 20211244224124 its reverse (42142244211202), we get a palindrome (62353488435326).

The spelling of 20211244224124 in words is "twenty trillion, two hundred eleven billion, two hundred forty-four million, two hundred twenty-four thousand, one hundred twenty-four".