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101101020121201 = 1229486611690529
BaseRepresentation
bin10110111111001101101010…
…011001000000100001110001
3111020222011101220220211020011
4112333031222121000201301
5101222414342122334301
6555005100101014521
730203210345563132
oct2677155231004161
9436864356824204
10101101020121201
112a23977a184341
12b40a07b0b4441
134454a29384a19
141ad745b983c89
15ba4d09ac8a51
hex5bf36a640871

101101020121201 has 8 divisors (see below), whose sum is σ = 101185422157800. Its totient is φ = 101016621565440.

The previous prime is 101101020121183. The next prime is 101101020121217. The reversal of 101101020121201 is 102121020101101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 71580923223601 + 29520096897600 = 8460551^2 + 5433240^2 .

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 101101020121201 - 233 = 101092430186609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101101020121291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58959105 + ... + 60649633.

It is an arithmetic number, because the mean of its divisors is an integer number (12648177769725).

Almost surely, 2101101020121201 is an apocalyptic number.

It is an amenable number.

101101020121201 is a deficient number, since it is larger than the sum of its proper divisors (84402036599).

101101020121201 is a wasteful number, since it uses less digits than its factorization.

101101020121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740419.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101101020121201 its reverse (102121020101101), we get a palindrome (203222040222302).

The spelling of 101101020121201 in words is "one hundred one trillion, one hundred one billion, twenty million, one hundred twenty-one thousand, two hundred one".

Divisors: 1 1229 48661 1690529 59804369 2077660141 82262831669 101101020121201