Base | Representation |
---|---|
bin | 10110110000101010100001… |
… | …101110110111111010110101 |
3 | 111010102120202012220021110120 |
4 | 112300222201232313322311 |
5 | 101110024300113020041 |
6 | 552521511032442153 |
7 | 30041034402256050 |
oct | 2660524156677265 |
9 | 433376665807416 |
10 | 100101221220021 |
11 | 29993764821a1a |
12 | b288354549359 |
13 | 43b1673969688 |
14 | 1aa0cd4127a97 |
15 | b88ce0d37366 |
hex | 5b0aa1bb7eb5 |
100101221220021 has 64 divisors (see below), whose sum is σ = 153887624816640. Its totient is φ = 56695860264960.
The previous prime is 100101221220019. The next prime is 100101221220067. The reversal of 100101221220021 is 120022122101001.
It is not a de Polignac number, because 100101221220021 - 21 = 100101221220019 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100101221222021) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9211480830 + ... + 9211491696.
It is an arithmetic number, because the mean of its divisors is an integer number (2404494137760).
Almost surely, 2100101221220021 is an apocalyptic number.
It is an amenable number.
100101221220021 is a deficient number, since it is larger than the sum of its proper divisors (53786403596619).
100101221220021 is a wasteful number, since it uses less digits than its factorization.
100101221220021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19434.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 100101221220021 its reverse (120022122101001), we get a palindrome (220123343321022).
The spelling of 100101221220021 in words is "one hundred trillion, one hundred one billion, two hundred twenty-one million, two hundred twenty thousand, twenty-one".
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