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101210021020201 = 5312113157650709
BaseRepresentation
bin10111000000110011001011…
…010110011100001000101001
3111021100120202101100012200111
4113000303023112130020221
5101231211110340121301
6555131124120334321
730214116446125522
oct2700631326341051
9437316671305614
10101210021020201
112a280a24365045
12b42721b3143a1
1344620aa89a9b2
141adc83c1b1849
15ba7a8911b551
hex5c0ccb59c229

101210021020201 has 8 divisors (see below), whose sum is σ = 103128157850760. Its totient is φ = 99292199515392.

The previous prime is 101210021020159. The next prime is 101210021020261. The reversal of 101210021020201 is 102020120012101.

It can be written as a sum of positive squares in 4 ways, for example, as 49946941309225 + 51263079710976 = 7067315^2 + 7159824^2 .

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 101210021020201 - 211 = 101210021018153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101210021020261) 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, 78183366 + ... + 79467343.

It is an arithmetic number, because the mean of its divisors is an integer number (12891019731345).

Almost surely, 2101210021020201 is an apocalyptic number.

It is an amenable number.

101210021020201 is a deficient number, since it is larger than the sum of its proper divisors (1918136830559).

101210021020201 is a wasteful number, since it uses less digits than its factorization.

101210021020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157662875.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101210021020201 its reverse (102020120012101), we get a palindrome (203230141032302).

The spelling of 101210021020201 in words is "one hundred one trillion, two hundred ten billion, twenty-one million, twenty thousand, two hundred one".

Divisors: 1 53 12113 641989 157650709 8355487577 1909623038117 101210021020201