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120022101 = 334639601
BaseRepresentation
bin1110010011101…
…10010001010101
322100211202101000
413021312101111
5221211201401
615524253513
72655112443
oct711662125
9270752330
10120022101
1161827421
1234241299
131bb33cc4
1411d23b93
15a80c186
hex7276455

120022101 has 16 divisors (see below), whose sum is σ = 178213120. Its totient is φ = 79833600.

The previous prime is 120022087. The next prime is 120022103. The reversal of 120022101 is 101220021.

It is not a de Polignac number, because 120022101 - 218 = 119759957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120022103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7701 + ... + 17301.

It is an arithmetic number, because the mean of its divisors is an integer number (11138320).

Almost surely, 2120022101 is an apocalyptic number.

It is an amenable number.

120022101 is a deficient number, since it is larger than the sum of its proper divisors (58191019).

120022101 is an equidigital number, since it uses as much as digits as its factorization.

120022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10073 (or 10067 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 120022101 is about 10955.4598716804. The cubic root of 120022101 is about 493.2726939812.

Adding to 120022101 its reverse (101220021), we get a palindrome (221242122).

The spelling of 120022101 in words is "one hundred twenty million, twenty-two thousand, one hundred one".

Divisors: 1 3 9 27 463 1389 4167 9601 12501 28803 86409 259227 4445263 13335789 40007367 120022101