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20112022221011 = 7127145915505961
BaseRepresentation
bin1001001001010101100011…
…11100001011000011010011
32122012200122102000221202022
410210222301330023003103
510114003410142033021
6110435200243042055
74144021442133260
oct444526174130323
978180572027668
1020112022221011
116454508251786
122309a1767032b
13b2b72b738306
144d75d9c42267
1524d25e7801ab
hex124ab1f0b0d3

20112022221011 has 16 divisors (see below), whose sum is σ = 23182033428480. Its totient is φ = 17091413398080.

The previous prime is 20112022220977. The next prime is 20112022221013. The reversal of 20112022221011 is 11012222021102.

It is not a de Polignac number, because 20112022221011 - 210 = 20112022219987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112022221013) 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, 6455930 + ... + 9050031.

It is an arithmetic number, because the mean of its divisors is an integer number (1448877089280).

Almost surely, 220112022221011 is an apocalyptic number.

20112022221011 is a deficient number, since it is larger than the sum of its proper divisors (3070011207469).

20112022221011 is a wasteful number, since it uses less digits than its factorization.

20112022221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15507554.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20112022221011 its reverse (11012222021102), we get a palindrome (31124244242113).

The spelling of 20112022221011 in words is "twenty trillion, one hundred twelve billion, twenty-two million, two hundred twenty-one thousand, eleven".

Divisors: 1 7 127 889 1459 10213 185293 1297051 15505961 108541727 1969257047 13784799329 22623197099 158362379693 2873146031573 20112022221011