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212202222101111 = 11101191001100001
BaseRepresentation
bin110000001111111100101110…
…000100011010001001110111
31000211100100000201021021112102
4300033330232010122021313
5210303210122324213421
62031152204405012315
762461050611663114
oct6017745604321167
91024310021237472
10212202222101111
1161683503303850
121b9722669b409b
139153778469b58
143a588dc87590b
15197ed0056960b
hexc0ff2e11a277

212202222101111 has 8 divisors (see below), whose sum is σ = 233785346402448. Its totient is φ = 191001100000000.

The previous prime is 212202222101087. The next prime is 212202222101147. The reversal of 212202222101111 is 111101222202212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212202222101111 - 26 = 212202222101047 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 (212202222101161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95500548890 + ... + 95500551111.

It is an arithmetic number, because the mean of its divisors is an integer number (29223168300306).

Almost surely, 2212202222101111 is an apocalyptic number.

212202222101111 is a deficient number, since it is larger than the sum of its proper divisors (21583124301337).

212202222101111 is a wasteful number, since it uses less digits than its factorization.

212202222101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191001100113.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212202222101111 its reverse (111101222202212), we get a palindrome (323303444303323).

The spelling of 212202222101111 in words is "two hundred twelve trillion, two hundred two billion, two hundred twenty-two million, one hundred one thousand, one hundred eleven".

Divisors: 1 11 101 1111 191001100001 2101012100011 19291111100101 212202222101111