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2212010111 = 11003201037
BaseRepresentation
bin1000001111011000…
…1001100001111111
312201011021202102102
42003312021201333
514012233310421
61003255015315
7105546530033
oct20366114177
95634252372
102212010111
11a35692a33
1251896a53b
1329337812c
1416dac61c3
15ce2e060b
hex83d8987f

2212010111 has 4 divisors (see below), whose sum is σ = 2212222152. Its totient is φ = 2211798072.

The previous prime is 2212010093. The next prime is 2212010149. The reversal of 2212010111 is 1110102122.

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 2212010111 - 214 = 2211993727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212010092 and 2212010101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212010161) 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 3 ways as a sum of consecutive naturals, for example, 89516 + ... + 111521.

It is an arithmetic number, because the mean of its divisors is an integer number (553055538).

Almost surely, 22212010111 is an apocalyptic number.

2212010111 is a deficient number, since it is larger than the sum of its proper divisors (212041).

2212010111 is a wasteful number, since it uses less digits than its factorization.

2212010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212040.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2212010111 is about 47032.0115559605. The cubic root of 2212010111 is about 1302.9538573297.

Adding to 2212010111 its reverse (1110102122), we get a palindrome (3322112233).

The spelling of 2212010111 in words is "two billion, two hundred twelve million, ten thousand, one hundred eleven".

Divisors: 1 11003 201037 2212010111