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122210101 = 1310193077
BaseRepresentation
bin1110100100011…
…00011100110101
322111221220202001
413102030130311
5222241210401
620043215301
73012524446
oct722143465
9274856661
10122210101
1162a91292
1234b17531
131c41bb90
14123332cd
15aae0601
hex748c735

122210101 has 8 divisors (see below), whose sum is σ = 132915384. Its totient is φ = 111691200.

The previous prime is 122210047. The next prime is 122210111. The reversal of 122210101 is 101012221.

It can be written as a sum of positive squares in 4 ways, for example, as 10400625 + 111809476 = 3225^2 + 10574^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 122210101 - 217 = 122079029 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 (122210111) 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, 45226 + ... + 47851.

It is an arithmetic number, because the mean of its divisors is an integer number (16614423).

Almost surely, 2122210101 is an apocalyptic number.

It is an amenable number.

122210101 is a deficient number, since it is larger than the sum of its proper divisors (10705283).

122210101 is a wasteful number, since it uses less digits than its factorization.

122210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93191.

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

The square root of 122210101 is about 11054.8677513573. The cubic root of 122210101 is about 496.2521115244.

Adding to 122210101 its reverse (101012221), we get a palindrome (223222322).

The spelling of 122210101 in words is "one hundred twenty-two million, two hundred ten thousand, one hundred one".

Divisors: 1 13 101 1313 93077 1210001 9400777 122210101