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100110000221 = 721110110916871
BaseRepresentation
bin101110100111100000…
…1010110000001011101
3100120101211121221011222
41131033001112001131
53120011130001341
6113553452423125
710142550650600
oct1351701260135
9316354557158
10100110000221
1139502537980
121749a777aa5
139595544c2a
144bb98d6337
15290dc1744b
hex174f05605d

100110000221 has 48 divisors (see below), whose sum is σ = 129483826560. Its totient is φ = 76522320000.

The previous prime is 100110000209. The next prime is 100110000233. The reversal of 100110000221 is 122000011001.

It is an interprime number because it is at equal distance from previous prime (100110000209) and next prime (100110000233).

It is a de Polignac number, because none of the positive numbers 2k-100110000221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100110000199 and 100110000208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100110000241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5925416 + ... + 5942286.

It is an arithmetic number, because the mean of its divisors is an integer number (2697579720).

Almost surely, 2100110000221 is an apocalyptic number.

100110000221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100110000221 is a deficient number, since it is larger than the sum of its proper divisors (29373826339).

100110000221 is a wasteful number, since it uses less digits than its factorization.

100110000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17106 (or 17099 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 100110000221 its reverse (122000011001), we get a palindrome (222110011222).

The spelling of 100110000221 in words is "one hundred billion, one hundred ten million, two hundred twenty-one", and thus it is an aban number.

Divisors: 1 7 11 49 77 101 109 539 707 763 1111 1199 4949 5341 7777 8393 11009 16871 54439 58751 77063 118097 121099 185581 539441 826679 847693 1299067 1703971 1838939 5933851 9093469 11927797 12872573 18743681 20228329 83494579 90108011 131205767 141598303 185732839 918440369 991188121 1300129873 2043061229 9100909111 14301428603 100110000221