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101102221 = 1119148121
BaseRepresentation
bin1100000011010…
…11001010001101
321001020112011201
412001223022031
5201340232341
614010545501
72335232443
oct601531215
9231215151
10101102221
1152084660
1229a38291
1317c3b3cc
14d5dab93
158d21331
hex606b28d

101102221 has 8 divisors (see below), whose sum is σ = 110873088. Its totient is φ = 91428000.

The previous prime is 101102219. The next prime is 101102233. The reversal of 101102221 is 122201101.

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

It is a cyclic number.

It is not a de Polignac number, because 101102221 - 21 = 101102219 is a prime.

It is a super-2 number, since 2×1011022212 = 20443318182265682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101102198 and 101102207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101102251) 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, 21960 + ... + 26161.

It is an arithmetic number, because the mean of its divisors is an integer number (13859136).

Almost surely, 2101102221 is an apocalyptic number.

101102221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101102221 is a deficient number, since it is larger than the sum of its proper divisors (9770867).

101102221 is a wasteful number, since it uses less digits than its factorization.

101102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48323.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 101102221 is about 10054.9600198111. The cubic root of 101102221 is about 465.8580080937.

Adding to 101102221 its reverse (122201101), we get a palindrome (223303322).

The spelling of 101102221 in words is "one hundred one million, one hundred two thousand, two hundred twenty-one".

Divisors: 1 11 191 2101 48121 529331 9191111 101102221