20012221224241 has 16 divisors (see below), whose sum is σ = 21370203233280. Its totient is φ = 18694990092240.

The previous prime is 20012221224239. The next prime is 20012221224269. The reversal of 20012221224241 is 14242212221002.

It is a cyclic number.

It is not a de Polignac number, because 20012221224241 - 2¹ = 20012221224239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012221224211) 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, 8373436 + ... + 10494706.

It is an arithmetic number, because the mean of its divisors is an integer number (1335637702080).

Almost surely, 2^{20012221224241} is an apocalyptic number.

It is an amenable number.

20012221224241 is a deficient number, since it is larger than the sum of its proper divisors (1357982009039).

20012221224241 is a wasteful number, since it uses less digits than its factorization.

20012221224241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130876.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 20012221224241 its reverse (14242212221002), we get a palindrome (34254433445243).

The spelling of 20012221224241 in words is "twenty trillion, twelve billion, two hundred twenty-one million, two hundred twenty-four thousand, two hundred forty-one".