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101122213 = 332330431
BaseRepresentation
bin1100000011100…
…00000010100101
321001021112121011
412001300002211
5201341402323
614011222221
72335344643
oct601600245
9231245534
10101122213
1152098685
1229a47971
1317c4753a
14d604193
158d2720d
hex60700a5

101122213 has 4 divisors (see below), whose sum is σ = 101155968. Its totient is φ = 101088460.

The previous prime is 101122187. The next prime is 101122289. The reversal of 101122213 is 312221101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101122213 - 25 = 101122181 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101122193 and 101122202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101122013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11893 + ... + 18538.

It is an arithmetic number, because the mean of its divisors is an integer number (25288992).

Almost surely, 2101122213 is an apocalyptic number.

It is an amenable number.

101122213 is a deficient number, since it is larger than the sum of its proper divisors (33755).

101122213 is an equidigital number, since it uses as much as digits as its factorization.

101122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33754.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 101122213 is about 10055.9541068961. The cubic root of 101122213 is about 465.8887123961. Note that the first 3 decimals are identical.

Adding to 101122213 its reverse (312221101), we get a palindrome (413343314).

The spelling of 101122213 in words is "one hundred one million, one hundred twenty-two thousand, two hundred thirteen".

Divisors: 1 3323 30431 101122213