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211110022 = 2105555011
BaseRepresentation
bin11001001010101…
…00100010000110
3112201020111111201
430211110202012
5413021010042
632540453114
75142256054
oct1445244206
9481214451
10211110022
11a91910a2
125a84a19a
1334977196
14200751d4
15138011b7
hexc954886

211110022 has 4 divisors (see below), whose sum is σ = 316665036. Its totient is φ = 105555010.

The previous prime is 211110017. The next prime is 211110061. The reversal of 211110022 is 220011112.

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

It is a junction number, because it is equal to n+sod(n) for n = 211109990 and 211110008.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52777504 + ... + 52777507.

It is an arithmetic number, because the mean of its divisors is an integer number (79166259).

Almost surely, 2211110022 is an apocalyptic number.

211110022 is a deficient number, since it is larger than the sum of its proper divisors (105555014).

211110022 is a wasteful number, since it uses less digits than its factorization.

211110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105555013.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 211110022 is about 14529.6256662035. The cubic root of 211110022 is about 595.4376386220.

Adding to 211110022 its reverse (220011112), we get a palindrome (431121134).

The spelling of 211110022 in words is "two hundred eleven million, one hundred ten thousand, twenty-two".

Divisors: 1 2 105555011 211110022