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20222012111 = 72888858873
BaseRepresentation
bin10010110101010100…
…110110101011001111
31221012022021122121112
4102311110312223033
5312403313341421
613142335522235
71314056160350
oct226524665317
957168248545
1020222012111
118637887004
123b0438937b
131ba369b152
14d9b997d27
157d54c245b
hex4b5536acf

20222012111 has 4 divisors (see below), whose sum is σ = 23110870992. Its totient is φ = 17333153232.

The previous prime is 20222012089. The next prime is 20222012191. The reversal of 20222012111 is 11121022202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20222012111 - 214 = 20221995727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222012191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1444429430 + ... + 1444429443.

It is an arithmetic number, because the mean of its divisors is an integer number (5777717748).

Almost surely, 220222012111 is an apocalyptic number.

20222012111 is a deficient number, since it is larger than the sum of its proper divisors (2888858881).

20222012111 is an equidigital number, since it uses as much as digits as its factorization.

20222012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888858880.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20222012111 its reverse (11121022202), we get a palindrome (31343034313).

The spelling of 20222012111 in words is "twenty billion, two hundred twenty-two million, twelve thousand, one hundred eleven".

Divisors: 1 7 2888858873 20222012111