Search a number
-
+
201201221101 = 3110079643949
BaseRepresentation
bin1011101101100010000…
…1101111110111101101
3201020100001121001001211
42323120201233313231
511244030003033401
6232233000234421
720351645106226
oct2733041576755
9636301531054
10201201221101
1178368931411
1232bb1a6ba11
1315c861503aa
149a4984c24d
155378b51951
hex2ed886fded

201201221101 has 8 divisors (see below), whose sum is σ = 207712512000. Its totient is φ = 194691238320.

The previous prime is 201201221093. The next prime is 201201221113. The reversal of 201201221101 is 101122102102.

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 201201221101 - 23 = 201201221093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201201221141) 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, 9526 + ... + 634423.

It is an arithmetic number, because the mean of its divisors is an integer number (25964064000).

Almost surely, 2201201221101 is an apocalyptic number.

It is an amenable number.

201201221101 is a deficient number, since it is larger than the sum of its proper divisors (6511290899).

201201221101 is a wasteful number, since it uses less digits than its factorization.

201201221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654059.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201201221101 its reverse (101122102102), we get a palindrome (302323323203).

The spelling of 201201221101 in words is "two hundred one billion, two hundred one million, two hundred twenty-one thousand, one hundred one".

Divisors: 1 31 10079 312449 643949 19962419 6490361971 201201221101