20111241022443 has 20 divisors (see below), whose sum is σ = 30063423082968. Its totient is φ = 13398253761600.

The previous prime is 20111241022441. The next prime is 20111241022451. The reversal of 20111241022443 is 34422014211102.

20111241022443 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 1 + 2 + 410 + 2 + 244 + 3 = 666.

It is not a de Polignac number, because 20111241022443 - 2¹ = 20111241022441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20111241022441) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 85439646 + ... + 85674707.

Almost surely, 2^{20111241022443} is an apocalyptic number.

20111241022443 is a deficient number, since it is larger than the sum of its proper divisors (9952182060525).

20111241022443 is a wasteful number, since it uses less digits than its factorization.

20111241022443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171115816 (or 171115807 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 20111241022443 its reverse (34422014211102), we get a palindrome (54533255233545).

The spelling of 20111241022443 in words is "twenty trillion, one hundred eleven billion, two hundred forty-one million, twenty-two thousand, four hundred forty-three".