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201102102221 = 2922433091643
BaseRepresentation
bin1011101101001010011…
…1101000111011001101
3201020002011002021112012
42323102213220323031
511243324114232341
6232215055551005
720346332444006
oct2732247507315
9636064067465
10201102102221
1178317991989
1232b8482b465
1315c6b757977
149a3a60a1ad
1553700c30eb
hex2ed29e8ecd

201102102221 has 8 divisors (see below), whose sum is σ = 208129474080. Its totient is φ = 194080918192.

The previous prime is 201102102167. The next prime is 201102102233. The reversal of 201102102221 is 122201201102.

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 201102102221 - 218 = 201101840077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201102102196 and 201102102205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201102102281) 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, 1480775 + ... + 1610868.

It is an arithmetic number, because the mean of its divisors is an integer number (26016184260).

Almost surely, 2201102102221 is an apocalyptic number.

It is an amenable number.

201102102221 is a deficient number, since it is larger than the sum of its proper divisors (7027371859).

201102102221 is a wasteful number, since it uses less digits than its factorization.

201102102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093915.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201102102221 its reverse (122201201102), we get a palindrome (323303303323).

The spelling of 201102102221 in words is "two hundred one billion, one hundred two million, one hundred two thousand, two hundred twenty-one".

Divisors: 1 29 2243 65047 3091643 89657647 6934555249 201102102221