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1102110221 = 17563115151
BaseRepresentation
bin100000110110000…
…1101111000001101
32211210211000000002
41001230031320031
54224120011341
6301210014045
736211532222
oct10154157015
92753730002
101102110221
115161267a3
12269117325
1314743c334
14a652b949
1566b5129b
hex41b0de0d

1102110221 has 8 divisors (see below), whose sum is σ = 1169023104. Its totient is φ = 1035428800.

The previous prime is 1102110199. The next prime is 1102110223. The reversal of 1102110221 is 1220112011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1102110221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102110223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48005 + ... + 67146.

It is an arithmetic number, because the mean of its divisors is an integer number (146127888).

Almost surely, 21102110221 is an apocalyptic number.

It is an amenable number.

1102110221 is a deficient number, since it is larger than the sum of its proper divisors (66912883).

1102110221 is a wasteful number, since it uses less digits than its factorization.

1102110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115731.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1102110221 is about 33198.0454394532. The cubic root of 1102110221 is about 1032.9397965768.

Adding to 1102110221 its reverse (1220112011), we get a palindrome (2322222232).

The spelling of 1102110221 in words is "one billion, one hundred two million, one hundred ten thousand, two hundred twenty-one".