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101200210110221 = 234400009135227
BaseRepresentation
bin10111000000101010000010…
…100100110010011100001101
3111021022122102122101100022012
4113000222002210302130031
5101231031012242011341
6555122422410431005
730213321355561445
oct2700520244623415
9437278378340265
10101200210110221
112a27784a361182
12b425341732465
1344611a6117a11
141adc18b1d1125
15ba76b2b600eb
hex5c0a8293270d

101200210110221 has 4 divisors (see below), whose sum is σ = 105600219245472. Its totient is φ = 96800200974972.

The previous prime is 101200210110217. The next prime is 101200210110227. The reversal of 101200210110221 is 122011012002101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101200210110221 - 22 = 101200210110217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101200210110196 and 101200210110205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101200210110227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2200004567591 + ... + 2200004567636.

It is an arithmetic number, because the mean of its divisors is an integer number (26400054811368).

Almost surely, 2101200210110221 is an apocalyptic number.

It is an amenable number.

101200210110221 is a deficient number, since it is larger than the sum of its proper divisors (4400009135251).

101200210110221 is an equidigital number, since it uses as much as digits as its factorization.

101200210110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4400009135250.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101200210110221 its reverse (122011012002101), we get a palindrome (223211222112322).

The spelling of 101200210110221 in words is "one hundred one trillion, two hundred billion, two hundred ten million, one hundred ten thousand, two hundred twenty-one".

Divisors: 1 23 4400009135227 101200210110221