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1102000000221 = 33259131575071
BaseRepresentation
bin10000000010010100010…
…100011000110011011101
310220100110021102022021000
4100002110110120303131
5121023344000001341
62202130220300513
7142421405306661
oct20022424306335
93810407368230
101102000000221
113953a02a883a
121596a96a1739
137cbc2252763
143b4a0d628a1
151d9eb3638b6
hex10094518cdd

1102000000221 has 16 divisors (see below), whose sum is σ = 1632656632320. Its totient is φ = 734637849120.

The previous prime is 1102000000159. The next prime is 1102000000253. The reversal of 1102000000221 is 1220000002011.

It is not a de Polignac number, because 1102000000221 - 226 = 1101932891357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102000000121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87885 + ... + 1487186.

It is an arithmetic number, because the mean of its divisors is an integer number (102041039520).

Almost surely, 21102000000221 is an apocalyptic number.

It is an amenable number.

1102000000221 is a deficient number, since it is larger than the sum of its proper divisors (530656632099).

1102000000221 is a wasteful number, since it uses less digits than its factorization.

1102000000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600993 (or 1600987 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1102000000221 its reverse (1220000002011), we get a palindrome (2322000002232).

The spelling of 1102000000221 in words is "one trillion, one hundred two billion, two hundred twenty-one", and thus it is an aban number.

Divisors: 1 3 9 27 25913 77739 233217 699651 1575071 4725213 14175639 42526917 40814814823 122444444469 367333333407 1102000000221