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101221202 = 253954917
BaseRepresentation
bin1100000100010…
…00001101010010
321001110120101102
412002020031102
5201403034302
614013304402
72336236355
oct602101522
9231416342
10101221202
1152155a95
1229a95102
1317c80604
14d62c29c
158d46702
hex6088352

101221202 has 8 divisors (see below), whose sum is σ = 154696716. Its totient is φ = 49655632.

The previous prime is 101221201. The next prime is 101221259. The reversal of 101221202 is 202122101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 83923921 + 17297281 = 9161^2 + 4159^2 .

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

It is not an unprimeable number, because it can be changed into a prime (101221201) 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, 477353 + ... + 477564.

Almost surely, 2101221202 is an apocalyptic number.

101221202 is a deficient number, since it is larger than the sum of its proper divisors (53475514).

101221202 is an equidigital number, since it uses as much as digits as its factorization.

101221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954972.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 101221202 is about 10060.8748128580. The cubic root of 101221202 is about 466.0406830206.

Adding to 101221202 its reverse (202122101), we get a palindrome (303343303).

The spelling of 101221202 in words is "one hundred one million, two hundred twenty-one thousand, two hundred two".

Divisors: 1 2 53 106 954917 1909834 50610601 101221202