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20222100111 = 338356930931
BaseRepresentation
bin10010110101010101…
…001100001010001111
31221012022110010022210
4102311111030022033
5312403324200421
613142341441503
71314060005043
oct226525141217
957168403283
1020222100111
118637937134
123b04410293
131ba36cc215
14d9b9bc023
157d54dd576
hex4b554c28f

20222100111 has 16 divisors (see below), whose sum is σ = 27081584640. Its totient is φ = 13422135360.

The previous prime is 20222100109. The next prime is 20222100137. The reversal of 20222100111 is 11100122202.

It is not a de Polignac number, because 20222100111 - 21 = 20222100109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222100611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 638316 + ... + 669246.

It is an arithmetic number, because the mean of its divisors is an integer number (1692599040).

Almost surely, 220222100111 is an apocalyptic number.

20222100111 is a deficient number, since it is larger than the sum of its proper divisors (6859484529).

20222100111 is a wasteful number, since it uses less digits than its factorization.

20222100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31886.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20222100111 its reverse (11100122202), we get a palindrome (31322222313).

The spelling of 20222100111 in words is "twenty billion, two hundred twenty-two million, one hundred thousand, one hundred eleven".

Divisors: 1 3 383 569 1149 1707 30931 92793 217927 653781 11846573 17599739 35539719 52799217 6740700037 20222100111